<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2020 Workiva-->
<!--r:4d5c33ad-c491-4ec0-acb7-76b08c77fc84,g:f7523d98-b864-4f44-a25a-f636f15244b9-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CoverPage" xlink:type="simple" xlink:href="rubi-20200630.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_b67fc995-e016-483b-a3f5-e19ac919aa3c" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_DocumentType_b67fc995-e016-483b-a3f5-e19ac919aa3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_6ae9218c-29db-414a-bc44-d87dc9c0f391" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentQuarterlyReport"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_DocumentQuarterlyReport_6ae9218c-29db-414a-bc44-d87dc9c0f391" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_90db27cf-684e-41c4-9947-fbd3a268f835" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_DocumentPeriodEndDate_90db27cf-684e-41c4-9947-fbd3a268f835" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_f73c4a87-4be0-40c5-8adf-21f809675a79" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_DocumentTransitionReport_f73c4a87-4be0-40c5-8adf-21f809675a79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_84180b80-f2e2-494f-af6d-d455bc2b6e1c" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityFileNumber_84180b80-f2e2-494f-af6d-d455bc2b6e1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_4c0deb34-f87b-4c70-8d2c-d7d58a093b74" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityRegistrantName_4c0deb34-f87b-4c70-8d2c-d7d58a093b74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_dd4f50f6-9640-43d6-b3d9-9ef5494b8525" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityIncorporationStateCountryCode_dd4f50f6-9640-43d6-b3d9-9ef5494b8525" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_b0aa528d-07d8-4881-b94f-28d0686c13f3" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityTaxIdentificationNumber_b0aa528d-07d8-4881-b94f-28d0686c13f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_1ee6f7da-9bb7-4a0f-adce-6191e78776f3" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityAddressAddressLine1_1ee6f7da-9bb7-4a0f-adce-6191e78776f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_88cac8e7-4304-496e-969e-20fd932743ac" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityAddressAddressLine2_88cac8e7-4304-496e-969e-20fd932743ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_d780a0b7-ad84-4b10-a7d9-6abc1fc08972" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityAddressCityOrTown_d780a0b7-ad84-4b10-a7d9-6abc1fc08972" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_690ff455-c74c-42ce-9e26-a01036316d00" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityAddressStateOrProvince_690ff455-c74c-42ce-9e26-a01036316d00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_e2cd06fb-6549-4996-a97b-aae2214463db" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityAddressPostalZipCode_e2cd06fb-6549-4996-a97b-aae2214463db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_0700ad35-6a2d-4b98-9f79-4fc001d78878" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_CityAreaCode_0700ad35-6a2d-4b98-9f79-4fc001d78878" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_f6444a76-e9c4-4915-bc60-db5670dffe75" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_LocalPhoneNumber_f6444a76-e9c4-4915-bc60-db5670dffe75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_6e4d4a60-4652-4f50-afac-b73f2c760b2b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_Security12bTitle_6e4d4a60-4652-4f50-afac-b73f2c760b2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_237ae227-dc16-49f2-9d13-492c5d248b02" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_TradingSymbol_237ae227-dc16-49f2-9d13-492c5d248b02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_cf6d8733-5bd9-49f8-8ab2-9598f7a73e56" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_SecurityExchangeName_cf6d8733-5bd9-49f8-8ab2-9598f7a73e56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_2e126366-c84a-41ea-963e-63a8b49aa9e7" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityCurrentReportingStatus_2e126366-c84a-41ea-963e-63a8b49aa9e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_2df49b3d-cef4-4d3e-b3a7-356139d9c59c" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityInteractiveDataCurrent_2df49b3d-cef4-4d3e-b3a7-356139d9c59c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_e3842b0b-076a-405b-bf48-0104c1abcaac" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityFilerCategory_e3842b0b-076a-405b-bf48-0104c1abcaac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_40879e07-b044-4d4f-aff7-db39d0a9f087" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntitySmallBusiness_40879e07-b044-4d4f-aff7-db39d0a9f087" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_62fde118-c842-48d9-a798-2876b8194c00" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityEmergingGrowthCompany_62fde118-c842-48d9-a798-2876b8194c00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_32f4a7e8-5545-4881-ac42-c48ac5e0bd39" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityShellCompany_32f4a7e8-5545-4881-ac42-c48ac5e0bd39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_15b29f60-3f0b-4aef-b16c-3704ceff23c2" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_15b29f60-3f0b-4aef-b16c-3704ceff23c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_c8ede7ba-7348-460e-84ea-5700ce6e5361" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_EntityCentralIndexKey_c8ede7ba-7348-460e-84ea-5700ce6e5361" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_4e6b41eb-0301-4ddf-8cee-e935e6db287d" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_AmendmentFlag_4e6b41eb-0301-4ddf-8cee-e935e6db287d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_18160a91-28bf-41c5-99e2-f1629bdfec42" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_DocumentFiscalYearFocus_18160a91-28bf-41c5-99e2-f1629bdfec42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_ea525b58-ba1e-48d2-9f8d-e62ef38b9f66" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_DocumentFiscalPeriodFocus_ea525b58-ba1e-48d2-9f8d-e62ef38b9f66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_fdcd7919-8da6-4502-880b-ae6b57297223" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_1f9f5757-9f74-4563-ac95-0c65a1881733" xlink:to="loc_dei_CurrentFiscalYearEndDate_fdcd7919-8da6-4502-880b-ae6b57297223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="rubi-20200630.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_2396aa25-c1c7-4e01-a790-d366c5060e68" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_2396aa25-c1c7-4e01-a790-d366c5060e68" xlink:to="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_0906a290-cdf0-49ce-a9dc-46409549bc75" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_AssetsCurrentAbstract_0906a290-cdf0-49ce-a9dc-46409549bc75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1dc5de06-bbc8-4306-8e9f-917925670ad6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0906a290-cdf0-49ce-a9dc-46409549bc75" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1dc5de06-bbc8-4306-8e9f-917925670ad6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_b798728c-c209-4605-a6c2-1576fce71d1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0906a290-cdf0-49ce-a9dc-46409549bc75" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_b798728c-c209-4605-a6c2-1576fce71d1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_060a9ef5-cf3e-478c-9549-bafe94730d2a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0906a290-cdf0-49ce-a9dc-46409549bc75" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_060a9ef5-cf3e-478c-9549-bafe94730d2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_ccb8554e-1c9e-4f95-b9aa-40d515cb81b7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_0906a290-cdf0-49ce-a9dc-46409549bc75" xlink:to="loc_us-gaap_AssetsCurrent_ccb8554e-1c9e-4f95-b9aa-40d515cb81b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a9d7dabd-a23d-4787-87d5-7f6c9b094fc8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a9d7dabd-a23d-4787-87d5-7f6c9b094fc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_b5f4f6c6-47dd-4944-a31b-970665d7cd94" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_b5f4f6c6-47dd-4944-a31b-970665d7cd94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_InternalUseSoftwareDevelopmentCostsNet_0515df36-3c76-417d-9fab-5793b1807b6e" xlink:href="rubi-20200630.xsd#rubi_InternalUseSoftwareDevelopmentCostsNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_rubi_InternalUseSoftwareDevelopmentCostsNet_0515df36-3c76-417d-9fab-5793b1807b6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_adf85e35-4872-4560-8de7-a161afc21b9b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_adf85e35-4872-4560-8de7-a161afc21b9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_c2bfa5a3-2172-487d-84ef-13dc654d0fbf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_c2bfa5a3-2172-487d-84ef-13dc654d0fbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_393930e0-56d1-461c-9336-02241675b253" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_Goodwill_393930e0-56d1-461c-9336-02241675b253" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_d7dd1aed-0bac-4f00-bc1d-216365b381fd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_Assets_d7dd1aed-0bac-4f00-bc1d-216365b381fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_1a07e767-ae85-469e-b5b8-d86cb55502af" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_518ffe3c-ade3-443a-a0a3-4e0a6299bdfe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_518ffe3c-ade3-443a-a0a3-4e0a6299bdfe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_c75eefba-f802-4d19-afde-0de3a325a68b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_518ffe3c-ade3-443a-a0a3-4e0a6299bdfe" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_c75eefba-f802-4d19-afde-0de3a325a68b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_ee9559d4-8d8f-4f04-bac3-d9977103e2b8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_518ffe3c-ade3-443a-a0a3-4e0a6299bdfe" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_ee9559d4-8d8f-4f04-bac3-d9977103e2b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_15025b36-7b68-49db-a5de-b0aef7f70f63" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_518ffe3c-ade3-443a-a0a3-4e0a6299bdfe" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_15025b36-7b68-49db-a5de-b0aef7f70f63" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_8bbf66f5-3ef1-4044-be37-76fea052501b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_518ffe3c-ade3-443a-a0a3-4e0a6299bdfe" xlink:to="loc_us-gaap_LiabilitiesCurrent_8bbf66f5-3ef1-4044-be37-76fea052501b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_09042442-01ae-4886-b3d8-204d20e7e537" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_09042442-01ae-4886-b3d8-204d20e7e537" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_9a3cc48a-0b6b-4535-a3a2-09efdb23d72a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_9a3cc48a-0b6b-4535-a3a2-09efdb23d72a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_a4c64eee-1ebc-49aa-9e72-eba9950c7aba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_Liabilities_a4c64eee-1ebc-49aa-9e72-eba9950c7aba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_3f621a66-7918-4efa-b32c-6dea653303d5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_CommitmentsAndContingencies_3f621a66-7918-4efa-b32c-6dea653303d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_71806809-200c-4d91-bdf4-02a8ab0c0625" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:to="loc_us-gaap_PreferredStockValue_71806809-200c-4d91-bdf4-02a8ab0c0625" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_35e99d4b-524e-4ca0-82a9-8ba667801070" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:to="loc_us-gaap_CommonStockValue_35e99d4b-524e-4ca0-82a9-8ba667801070" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_517cf6a5-98be-4fbc-b267-e61000c1cced" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:to="loc_us-gaap_AdditionalPaidInCapital_517cf6a5-98be-4fbc-b267-e61000c1cced" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_eebe79c8-9e58-4dd8-93a3-4b7316cc08ff" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_eebe79c8-9e58-4dd8-93a3-4b7316cc08ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_dc403e66-8da7-44c1-9d69-dfb3000a156f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_dc403e66-8da7-44c1-9d69-dfb3000a156f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0c10dbf3-6f20-467a-bd2d-b91400ab91af" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_f5f0246f-7d5d-41b2-94a4-94b8ab193ac3" xlink:to="loc_us-gaap_StockholdersEquity_0c10dbf3-6f20-467a-bd2d-b91400ab91af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_da4d76dc-589d-40ea-b970-06f7aa696dd4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_a7b4f041-9050-4e35-acf4-291ec3bf461d" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_da4d76dc-589d-40ea-b970-06f7aa696dd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="rubi-20200630.xsd#CondensedConsolidatedBalanceSheetsParenthetical"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_a75d363a-102a-4758-80f9-6cced6881e33" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_a75d363a-102a-4758-80f9-6cced6881e33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_277058c2-683a-43e3-8cc3-4c6f69667eb0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_277058c2-683a-43e3-8cc3-4c6f69667eb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_e34009e1-332b-4382-9732-6eb3dfc661a8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_PreferredStockSharesIssued_e34009e1-332b-4382-9732-6eb3dfc661a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_5d066eee-c8a2-47c5-8bae-79747e81bec2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_5d066eee-c8a2-47c5-8bae-79747e81bec2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_48a21cac-97e8-43a8-8ca7-9928a7b4606f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_48a21cac-97e8-43a8-8ca7-9928a7b4606f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_d57245eb-3110-402c-b03b-db2e6fca3819" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_d57245eb-3110-402c-b03b-db2e6fca3819" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_089ef759-374a-41a5-8629-0c4122d79314" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_CommonStockSharesIssued_089ef759-374a-41a5-8629-0c4122d79314" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_135a8208-afd9-4d3c-96cc-265c08e10824" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_9845f9cd-901b-47e9-bab4-62c113de15c9" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_135a8208-afd9-4d3c-96cc-265c08e10824" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="rubi-20200630.xsd#CondensedConsolidatedStatementsofOperations"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e86f27c1-0dec-43c0-a902-aa0f4e014a6c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e86f27c1-0dec-43c0-a902-aa0f4e014a6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_074fafb2-ce6c-4dda-898d-e0cf30192c6f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfRevenue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:to="loc_us-gaap_CostOfRevenue_074fafb2-ce6c-4dda-898d-e0cf30192c6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_8197aa05-eb29-45aa-8b1f-b6918c44242f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:to="loc_us-gaap_SellingAndMarketingExpense_8197aa05-eb29-45aa-8b1f-b6918c44242f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_65903ec7-2d95-41dc-a8dc-2b1c0c0b97c5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_65903ec7-2d95-41dc-a8dc-2b1c0c0b97c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_0f34649a-12b7-4108-87ba-8aeba54de2f8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_0f34649a-12b7-4108-87ba-8aeba54de2f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts_154c53ec-a99c-49f5-8d89-513b8870ba3d" xlink:href="rubi-20200630.xsd#rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:to="loc_rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts_154c53ec-a99c-49f5-8d89-513b8870ba3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_25f63431-38f4-4488-985e-47e7f9d749dd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_b255bb15-c946-44ca-94c7-6c3e281e3c1f" xlink:to="loc_us-gaap_CostsAndExpenses_25f63431-38f4-4488-985e-47e7f9d749dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_0b5c6687-fcc0-4376-bdb1-2a230e9ea3ff" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_OperatingIncomeLoss_0b5c6687-fcc0-4376-bdb1-2a230e9ea3ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_74589f0b-aae5-4133-b892-4b5d4ec5a9d1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_74589f0b-aae5-4133-b892-4b5d4ec5a9d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_8301ab4d-d0d5-401f-b53c-e100e123db96" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_74589f0b-aae5-4133-b892-4b5d4ec5a9d1" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_8301ab4d-d0d5-401f-b53c-e100e123db96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncome_b92a8e13-6315-46ae-a7bb-c14f98c575f7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherOperatingIncome"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_74589f0b-aae5-4133-b892-4b5d4ec5a9d1" xlink:to="loc_us-gaap_OtherOperatingIncome_b92a8e13-6315-46ae-a7bb-c14f98c575f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_335217c6-02fe-44d1-a908-8d1c4129a5a5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_74589f0b-aae5-4133-b892-4b5d4ec5a9d1" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_335217c6-02fe-44d1-a908-8d1c4129a5a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_5db37478-5b5a-43da-a9bc-3d97e1377204" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_74589f0b-aae5-4133-b892-4b5d4ec5a9d1" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_5db37478-5b5a-43da-a9bc-3d97e1377204" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_771fa4b9-853e-4b5d-9d83-94a1cc75f81e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_771fa4b9-853e-4b5d-9d83-94a1cc75f81e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_f53fcda0-487c-45b0-9b7e-1ef403e6fb97" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_f53fcda0-487c-45b0-9b7e-1ef403e6fb97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_9eb95180-6863-4ba3-b990-6b4c89387964" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_NetIncomeLoss_9eb95180-6863-4ba3-b990-6b4c89387964" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_c14811c2-24b3-4617-b2ce-83c4a9f19af2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_EarningsPerShareAbstract_c14811c2-24b3-4617-b2ce-83c4a9f19af2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_64b04165-7e96-4226-accf-0d8b3dc5b35d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_c14811c2-24b3-4617-b2ce-83c4a9f19af2" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_64b04165-7e96-4226-accf-0d8b3dc5b35d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_69500895-1dc9-49d7-9cfe-7dbec9bf2791" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_348812a7-688c-4ef3-8096-81ed336fdb5a" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_69500895-1dc9-49d7-9cfe-7dbec9bf2791" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_76b5571f-1dc9-4559-b7cb-f49332ae4994" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_69500895-1dc9-49d7-9cfe-7dbec9bf2791" xlink:to="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_76b5571f-1dc9-4559-b7cb-f49332ae4994" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofComprehensiveLoss" xlink:type="simple" xlink:href="rubi-20200630.xsd#CondensedConsolidatedStatementsofComprehensiveLoss"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofComprehensiveLoss" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_72fb41f8-1659-4f64-9f28-a1018d8da5ec" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_1237fe43-0ca4-42bc-ad92-1fd82744d266" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_72fb41f8-1659-4f64-9f28-a1018d8da5ec" xlink:to="loc_us-gaap_NetIncomeLoss_1237fe43-0ca4-42bc-ad92-1fd82744d266" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3de87a9f-4655-4f2e-9692-56623a225788" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_72fb41f8-1659-4f64-9f28-a1018d8da5ec" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3de87a9f-4655-4f2e-9692-56623a225788" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_f3c9054a-1af8-4389-89e7-f3db2acd47e1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3de87a9f-4655-4f2e-9692-56623a225788" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_f3c9054a-1af8-4389-89e7-f3db2acd47e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_6e253b87-857e-4d72-bf8d-30555358c93d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3de87a9f-4655-4f2e-9692-56623a225788" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_6e253b87-857e-4d72-bf8d-30555358c93d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5dadb13d-d140-4959-a297-b0947769d7f7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_3de87a9f-4655-4f2e-9692-56623a225788" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5dadb13d-d140-4959-a297-b0947769d7f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_392cf41b-1bd0-4da3-9b92-0f6650c043b7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_72fb41f8-1659-4f64-9f28-a1018d8da5ec" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_392cf41b-1bd0-4da3-9b92-0f6650c043b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofStockholdersEquity" xlink:type="simple" xlink:href="rubi-20200630.xsd#CondensedConsolidatedStatementsofStockholdersEquity"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofStockholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_7dcc97ac-d074-4fdd-8c30-a4cfab5619a3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_70c5611c-aabb-4447-8520-4f4ca6c6f74c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_7dcc97ac-d074-4fdd-8c30-a4cfab5619a3" xlink:to="loc_us-gaap_StatementTable_70c5611c-aabb-4447-8520-4f4ca6c6f74c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_e0ffa6b5-90de-4d93-af73-3191ccb062c4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_70c5611c-aabb-4447-8520-4f4ca6c6f74c" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_e0ffa6b5-90de-4d93-af73-3191ccb062c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c9727fe9-3851-4177-bc3b-0e52156d9481" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_e0ffa6b5-90de-4d93-af73-3191ccb062c4" xlink:to="loc_us-gaap_EquityComponentDomain_c9727fe9-3851-4177-bc3b-0e52156d9481" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_b0c7345a-36dd-4c2d-8a05-75b9303a9e8d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c9727fe9-3851-4177-bc3b-0e52156d9481" xlink:to="loc_us-gaap_CommonStockMember_b0c7345a-36dd-4c2d-8a05-75b9303a9e8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_dc2b004b-0e81-4e2c-ae0a-fb81a7a3143e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c9727fe9-3851-4177-bc3b-0e52156d9481" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_dc2b004b-0e81-4e2c-ae0a-fb81a7a3143e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2cb91b3e-2ae9-4cad-ad17-2aab4fdbd51d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c9727fe9-3851-4177-bc3b-0e52156d9481" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2cb91b3e-2ae9-4cad-ad17-2aab4fdbd51d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_63be6db4-0d9a-474c-9c26-47af5bfed0b3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_c9727fe9-3851-4177-bc3b-0e52156d9481" xlink:to="loc_us-gaap_RetainedEarningsMember_63be6db4-0d9a-474c-9c26-47af5bfed0b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_d03a149d-4805-49a4-ba43-80bae8250e00" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_70c5611c-aabb-4447-8520-4f4ca6c6f74c" xlink:to="loc_us-gaap_StatementLineItems_d03a149d-4805-49a4-ba43-80bae8250e00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_d03a149d-4805-49a4-ba43-80bae8250e00" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_c353995a-eb3a-4c99-a8a6-385aabad0ab6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_c353995a-eb3a-4c99-a8a6-385aabad0ab6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_dfc00a79-3ea5-4039-9d49-a71aaebbf9b0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockholdersEquity_dfc00a79-3ea5-4039-9d49-a71aaebbf9b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_f2a0f986-64f0-44b7-b6da-15a28868bee6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_f2a0f986-64f0-44b7-b6da-15a28868bee6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_784e3d4d-b27e-4f86-bee9-2ba672329423" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_784e3d4d-b27e-4f86-bee9-2ba672329423" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_571286b6-b7ae-4c24-8865-a7c32b8e7854" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_571286b6-b7ae-4c24-8865-a7c32b8e7854" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_6eb53d56-d72f-4a99-8731-181de2ff8226" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_6eb53d56-d72f-4a99-8731-181de2ff8226" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_2b59b0c6-4396-44d6-bc97-96e611a15f10" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_2b59b0c6-4396-44d6-bc97-96e611a15f10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_bb617a67-d701-4838-aa28-e325f6936e1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_bb617a67-d701-4838-aa28-e325f6936e1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_079febfb-591c-4303-b9aa-16440e9266c7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_079febfb-591c-4303-b9aa-16440e9266c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_91213412-de9e-47de-a8a3-12d91a357875" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_91213412-de9e-47de-a8a3-12d91a357875" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_StockIssuedDuringPeriodSharesMerger_f3dd86e0-5b56-4f5c-b278-006ff823bc88" xlink:href="rubi-20200630.xsd#rubi_StockIssuedDuringPeriodSharesMerger"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_rubi_StockIssuedDuringPeriodSharesMerger_f3dd86e0-5b56-4f5c-b278-006ff823bc88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_StockIssuedDuringPeriodValueMerger_6291355e-6f6a-4387-8963-f3b8f5a59a17" xlink:href="rubi-20200630.xsd#rubi_StockIssuedDuringPeriodValueMerger"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_rubi_StockIssuedDuringPeriodValueMerger_6291355e-6f6a-4387-8963-f3b8f5a59a17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedPaymentArrangementExchangeOfStockAndRestrictedStockUnitsInMerger_a7a2df6f-3974-4acf-a28b-05f2bda0b36b" xlink:href="rubi-20200630.xsd#rubi_ShareBasedPaymentArrangementExchangeOfStockAndRestrictedStockUnitsInMerger"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_rubi_ShareBasedPaymentArrangementExchangeOfStockAndRestrictedStockUnitsInMerger_a7a2df6f-3974-4acf-a28b-05f2bda0b36b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_884d5977-ab55-4db1-aea1-dbb40a415b3b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_884d5977-ab55-4db1-aea1-dbb40a415b3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a5d5cb9d-1a5a-42c4-a0c6-e04e0ec85f70" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a5d5cb9d-1a5a-42c4-a0c6-e04e0ec85f70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_4a438418-b42c-4e70-87c4-81600043f18d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_NetIncomeLoss_4a438418-b42c-4e70-87c4-81600043f18d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/netLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_2c9a96cd-882b-413a-bec5-beedc4172b22" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_2c9a96cd-882b-413a-bec5-beedc4172b22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7f77df97-4b98-4f66-9552-e513cbd8e078" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_e2f7a3a2-348a-4698-8511-fab099df60ca" xlink:to="loc_us-gaap_StockholdersEquity_7f77df97-4b98-4f66-9552-e513cbd8e078" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="rubi-20200630.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_e9cf869e-ff66-4a20-9ce2-02c3ee462a31" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_e9cf869e-ff66-4a20-9ce2-02c3ee462a31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3cb90150-6cc0-4427-a352-f67ac1f096b2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_e9cf869e-ff66-4a20-9ce2-02c3ee462a31" xlink:to="loc_us-gaap_NetIncomeLoss_3cb90150-6cc0-4427-a352-f67ac1f096b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_e9cf869e-ff66-4a20-9ce2-02c3ee462a31" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_f0ddb99b-4d6d-41be-893b-ee7eda0b5759" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_f0ddb99b-4d6d-41be-893b-ee7eda0b5759" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_50e524d1-0884-4adf-be6c-006cb4e34eba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_us-gaap_ShareBasedCompensation_50e524d1-0884-4adf-be6c-006cb4e34eba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_bedc0d9d-439f-4b99-add4-0c4447450a94" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_bedc0d9d-439f-4b99-add4-0c4447450a94" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_AccountsReceivableBadDebtExpense_88aa9369-9b54-4cf0-95c1-d5d73e71c828" xlink:href="rubi-20200630.xsd#rubi_AccountsReceivableBadDebtExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_rubi_AccountsReceivableBadDebtExpense_88aa9369-9b54-4cf0-95c1-d5d73e71c828" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_AccretionOfAvailableForSaleSecurities_31b8c9f7-7df0-456c-986e-117497e74190" xlink:href="rubi-20200630.xsd#rubi_AccretionOfAvailableForSaleSecurities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_rubi_AccretionOfAvailableForSaleSecurities_31b8c9f7-7df0-456c-986e-117497e74190" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_NonCashLeaseExpense_b73ae708-63fe-4143-b29f-d35bd1dc34ec" xlink:href="rubi-20200630.xsd#rubi_NonCashLeaseExpense"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_rubi_NonCashLeaseExpense_b73ae708-63fe-4143-b29f-d35bd1dc34ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_462e62da-1148-42a7-98e2-6ededc2564b0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_462e62da-1148-42a7-98e2-6ededc2564b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_513f4f97-1ae8-4859-a5d0-0bbfc2076447" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_513f4f97-1ae8-4859-a5d0-0bbfc2076447" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_d742e196-aa70-47a9-8bd6-9b981cce12e9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_5b794103-1256-419a-925b-eab7b561cc27" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_d742e196-aa70-47a9-8bd6-9b981cce12e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_13c9311e-57bf-4b03-8c6b-3a7f1368e2c6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_d742e196-aa70-47a9-8bd6-9b981cce12e9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_13c9311e-57bf-4b03-8c6b-3a7f1368e2c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_92d774ed-469c-4633-94d4-4d6cae5d1ba1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_d742e196-aa70-47a9-8bd6-9b981cce12e9" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_92d774ed-469c-4633-94d4-4d6cae5d1ba1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_32f5274c-a17f-40b2-bfab-999a48c5e8c0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_d742e196-aa70-47a9-8bd6-9b981cce12e9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_32f5274c-a17f-40b2-bfab-999a48c5e8c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_4821ae47-758d-4716-bbc2-3f869a4e761e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_d742e196-aa70-47a9-8bd6-9b981cce12e9" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_4821ae47-758d-4716-bbc2-3f869a4e761e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f50e19cd-cb06-4d81-9b2a-4be1238ded11" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_e9cf869e-ff66-4a20-9ce2-02c3ee462a31" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f50e19cd-cb06-4d81-9b2a-4be1238ded11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_c8169fcb-9643-49dc-bdb5-4dd743f5b105" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_c8169fcb-9643-49dc-bdb5-4dd743f5b105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToDevelopSoftware_a6673c8e-0a88-4828-a56a-955c41cc6a79" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToDevelopSoftware"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:to="loc_us-gaap_PaymentsToDevelopSoftware_a6673c8e-0a88-4828-a56a-955c41cc6a79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_4286c87f-1756-4564-9da1-8e4589606078" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAcquiredFromAcquisition"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_4286c87f-1756-4564-9da1-8e4589606078" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_f2c5ea7b-0d7d-4984-a0b0-af217cf73773" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_f2c5ea7b-0d7d-4984-a0b0-af217cf73773" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_457e2b13-11e5-4b8c-add7-3e431ad25104" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_c6ce6aea-923c-486f-852f-4035fb28b899" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_457e2b13-11e5-4b8c-add7-3e431ad25104" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_24439cdf-c6e8-4ca3-b2d9-e34d8dca9e78" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_24439cdf-c6e8-4ca3-b2d9-e34d8dca9e78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_d96a61b8-daea-4efe-a9de-e0381d34c360" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_24439cdf-c6e8-4ca3-b2d9-e34d8dca9e78" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_d96a61b8-daea-4efe-a9de-e0381d34c360" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_59137498-fe1a-415a-947e-6f01033113ef" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_24439cdf-c6e8-4ca3-b2d9-e34d8dca9e78" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_59137498-fe1a-415a-947e-6f01033113ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_c26038be-ba29-4264-8908-5fe5267bdd7f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_24439cdf-c6e8-4ca3-b2d9-e34d8dca9e78" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_c26038be-ba29-4264-8908-5fe5267bdd7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c13336be-6a21-46e1-ba49-68f87ae1e01e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_24439cdf-c6e8-4ca3-b2d9-e34d8dca9e78" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c13336be-6a21-46e1-ba49-68f87ae1e01e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_aa5a4ce8-3fc5-47c2-bc9b-bf42de3743e5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_aa5a4ce8-3fc5-47c2-bc9b-bf42de3743e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_649d5281-a6fa-4d93-b5c7-8993ef59b1c7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_649d5281-a6fa-4d93-b5c7-8993ef59b1c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7e40094d-1454-4ada-8155-b63c5c2e52fb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7e40094d-1454-4ada-8155-b63c5c2e52fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf27d273-0eb4-46db-b9bc-da9b07cae68c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_cf27d273-0eb4-46db-b9bc-da9b07cae68c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_9d861244-97d2-43cd-9c0e-357f14a467f9" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaid_cfadee35-bc82-4fbf-9243-218ed743397c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxesPaid"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_IncomeTaxesPaid_cfadee35-bc82-4fbf-9243-218ed743397c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_6fb5a6d4-4b25-4cd9-9561-11c64e424729" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPaidNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_InterestPaidNet_6fb5a6d4-4b25-4cd9-9561-11c64e424729" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_52010caa-e7c5-4709-956c-d5f071cd1155" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_52010caa-e7c5-4709-956c-d5f071cd1155" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_ca08ee61-63f9-41d0-841c-400c416ae6c4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_ca08ee61-63f9-41d0-841c-400c416ae6c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_c6085a7b-ce0c-455b-b155-a8837dbe721a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_c6085a7b-ce0c-455b-b155-a8837dbe721a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCash_f519a862-0e3f-4900-b531-a29f82c15b43" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCash_f519a862-0e3f-4900-b531-a29f82c15b43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_e547a98d-b6c5-45ed-a629-1f54f88902ae" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_f5b9592b-25ec-4004-80b5-b1e70ccb8d40" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_e547a98d-b6c5-45ed-a629-1f54f88902ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/OrganizationandSummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="rubi-20200630.xsd#OrganizationandSummaryofSignificantAccountingPolicies"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/OrganizationandSummaryofSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_932316c7-85a2-4053-b78c-3e65469431ca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_9e80142d-743d-43ce-9d7f-33be816b8ec4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_932316c7-85a2-4053-b78c-3e65469431ca" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_9e80142d-743d-43ce-9d7f-33be816b8ec4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/OrganizationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="rubi-20200630.xsd#OrganizationandSummaryofSignificantAccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/OrganizationandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_3b232fee-9779-4331-9dfa-ed24dd261bc7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_6b152644-8bb3-4c00-9a94-185565195bca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_3b232fee-9779-4331-9dfa-ed24dd261bc7" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_6b152644-8bb3-4c00-9a94-185565195bca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_01c78cfa-4169-4719-8e5c-9587263a64e5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_3b232fee-9779-4331-9dfa-ed24dd261bc7" xlink:to="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription_01c78cfa-4169-4719-8e5c-9587263a64e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UseOfEstimates_4fae2384-5ce6-4e80-ae43-23bad03d7b0f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UseOfEstimates"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_3b232fee-9779-4331-9dfa-ed24dd261bc7" xlink:to="loc_us-gaap_UseOfEstimates_4fae2384-5ce6-4e80-ae43-23bad03d7b0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_2e2cf55e-7af1-4c7d-b735-17d496dd4004" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_3b232fee-9779-4331-9dfa-ed24dd261bc7" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_2e2cf55e-7af1-4c7d-b735-17d496dd4004" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/NetIncomeLossPerShare" xlink:type="simple" xlink:href="rubi-20200630.xsd#NetIncomeLossPerShare"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/NetIncomeLossPerShare" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_6039ff5c-0a16-4818-924b-77cb1f8099b1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_f6b46e15-de46-48a1-851e-bc3e59ee2443" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6039ff5c-0a16-4818-924b-77cb1f8099b1" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_f6b46e15-de46-48a1-851e-bc3e59ee2443" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/NetIncomeLossPerShareTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#NetIncomeLossPerShareTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/NetIncomeLossPerShareTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_a7c70496-a246-424c-b333-6059d931f059" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_e32530f7-a217-41fb-be59-7aa3f77501b4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_a7c70496-a246-424c-b333-6059d931f059" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_e32530f7-a217-41fb-be59-7aa3f77501b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_64e1fab6-2ae7-4993-aa50-9d339bce699a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_a7c70496-a246-424c-b333-6059d931f059" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_64e1fab6-2ae7-4993-aa50-9d339bce699a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/NetIncomeLossPerShareBasicandDilutedNetLossPerShareDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#NetIncomeLossPerShareBasicandDilutedNetLossPerShareDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/NetIncomeLossPerShareBasicandDilutedNetLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_482ac29e-da70-4969-8346-6921e7097565" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_482ac29e-da70-4969-8346-6921e7097565" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_da234077-3087-442c-8700-c96315cec0e4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:to="loc_us-gaap_NetIncomeLoss_da234077-3087-442c-8700-c96315cec0e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_10e963e5-e2b6-447d-bc8d-e7ceaf0833fa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_10e963e5-e2b6-447d-bc8d-e7ceaf0833fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_997d5593-cf2c-45e7-9107-4e00841d3109" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_997d5593-cf2c-45e7-9107-4e00841d3109" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0e568e94-6709-4a30-b90c-43c1360e639a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0e568e94-6709-4a30-b90c-43c1360e639a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_cdf1a5a2-1c63-4db3-88aa-135e0749dad4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_62ab45a5-761d-4d42-8ec3-cb718094361a" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_cdf1a5a2-1c63-4db3-88aa-135e0749dad4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationofDilutedNetLossPerShareDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#NetIncomeLossPerShareSharesExcludedFromCalculationofDilutedNetLossPerShareDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationofDilutedNetLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_eaa596be-b18c-47dd-a07b-5299ca6d7dc8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_326526f9-37c5-4eb2-8db1-758029f5030b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_eaa596be-b18c-47dd-a07b-5299ca6d7dc8" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_326526f9-37c5-4eb2-8db1-758029f5030b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1daf4f5e-d80f-47a2-95ac-383199fd1382" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_326526f9-37c5-4eb2-8db1-758029f5030b" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1daf4f5e-d80f-47a2-95ac-383199fd1382" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_1daf4f5e-d80f-47a2-95ac-383199fd1382" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockOptionMember_1ab2de76-bf4c-4c6e-ab96-8f69fd0f1f2d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:to="loc_us-gaap_StockOptionMember_1ab2de76-bf4c-4c6e-ab96-8f69fd0f1f2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_7bbcbb3c-15df-4cf5-bc9f-42d7af9a7930" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:to="loc_us-gaap_RestrictedStockMember_7bbcbb3c-15df-4cf5-bc9f-42d7af9a7930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_1f050f48-9e1b-44f9-9eab-306354a1bd1e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_1f050f48-9e1b-44f9-9eab-306354a1bd1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_3d81b5aa-b989-4c9a-9fad-c5ba7d9b1faa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PerformanceSharesMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:to="loc_us-gaap_PerformanceSharesMember_3d81b5aa-b989-4c9a-9fad-c5ba7d9b1faa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_EmployeeStockPurchasePlanMember_450777d5-0e27-4c9c-8da6-5730c2b11ab3" xlink:href="rubi-20200630.xsd#rubi_EmployeeStockPurchasePlanMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d9d1b9b9-a9e7-4d51-815b-26e3ceb14b16" xlink:to="loc_rubi_EmployeeStockPurchasePlanMember_450777d5-0e27-4c9c-8da6-5730c2b11ab3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_37de60c4-3381-40ff-b291-0af4a1744d2b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_326526f9-37c5-4eb2-8db1-758029f5030b" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_37de60c4-3381-40ff-b291-0af4a1744d2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_81bd03c8-ca1c-4f29-b903-db348a7cba0d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_37de60c4-3381-40ff-b291-0af4a1744d2b" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_81bd03c8-ca1c-4f29-b903-db348a7cba0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/Revenues" xlink:type="simple" xlink:href="rubi-20200630.xsd#Revenues"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/Revenues" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_0af51aae-db7f-483c-b28e-1ab7b74b6ce7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_27ba939d-0cb0-4e71-a8e1-b49805b02c6d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_0af51aae-db7f-483c-b28e-1ab7b74b6ce7" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_27ba939d-0cb0-4e71-a8e1-b49805b02c6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/RevenuesTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#RevenuesTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/RevenuesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_f8b9c27f-e654-4960-a87c-4bd3e0a286b3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_103efa13-936c-43b0-9a2b-9ab17e59af87" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_f8b9c27f-e654-4960-a87c-4bd3e0a286b3" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_103efa13-936c-43b0-9a2b-9ab17e59af87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_7260b29b-63f0-4fbd-9f4a-be96f9813fc5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_f8b9c27f-e654-4960-a87c-4bd3e0a286b3" xlink:to="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_7260b29b-63f0-4fbd-9f4a-be96f9813fc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/RevenuesRevenueDisaggregatedbySalesDistributionChannelDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#RevenuesRevenueDisaggregatedbySalesDistributionChannelDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/RevenuesRevenueDisaggregatedbySalesDistributionChannelDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_7575445c-5101-4c2b-a297-679adca6b41a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_21936c72-eeb0-486b-aa8f-18673d5de07f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_7575445c-5101-4c2b-a297-679adca6b41a" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_21936c72-eeb0-486b-aa8f-18673d5de07f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelAxis_9718aa4d-c893-4c77-bd9b-62a9a00f1ae1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_21936c72-eeb0-486b-aa8f-18673d5de07f" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelAxis_9718aa4d-c893-4c77-bd9b-62a9a00f1ae1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_eaa16636-7a67-483e-8f76-c57ed577229b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_9718aa4d-c893-4c77-bd9b-62a9a00f1ae1" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_eaa16636-7a67-483e-8f76-c57ed577229b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ConnectedTelevisionMember_39331002-9e84-4751-ab70-c6fe0bfd1f3f" xlink:href="rubi-20200630.xsd#rubi_ConnectedTelevisionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_eaa16636-7a67-483e-8f76-c57ed577229b" xlink:to="loc_rubi_ConnectedTelevisionMember_39331002-9e84-4751-ab70-c6fe0bfd1f3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DesktopMember_f0e0e935-d3d4-4795-b328-944ac11192a3" xlink:href="rubi-20200630.xsd#rubi_DesktopMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_eaa16636-7a67-483e-8f76-c57ed577229b" xlink:to="loc_rubi_DesktopMember_f0e0e935-d3d4-4795-b328-944ac11192a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_MobileMember_da789865-7a28-42a0-bc5c-2c9415e04e78" xlink:href="rubi-20200630.xsd#rubi_MobileMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_eaa16636-7a67-483e-8f76-c57ed577229b" xlink:to="loc_rubi_MobileMember_da789865-7a28-42a0-bc5c-2c9415e04e78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_62251297-5d3a-4a1c-bd8e-008ece7fd5e1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_21936c72-eeb0-486b-aa8f-18673d5de07f" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_62251297-5d3a-4a1c-bd8e-008ece7fd5e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6dd398ed-e29e-4c17-8a26-660608a8ebf5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_62251297-5d3a-4a1c-bd8e-008ece7fd5e1" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6dd398ed-e29e-4c17-8a26-660608a8ebf5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_95fd00c8-6096-42a0-bcf2-358a5cc1eb74" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_62251297-5d3a-4a1c-bd8e-008ece7fd5e1" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_95fd00c8-6096-42a0-bcf2-358a5cc1eb74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/RevenuesRevenueDisaggregatedbyGeographicLocationDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#RevenuesRevenueDisaggregatedbyGeographicLocationDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/RevenuesRevenueDisaggregatedbyGeographicLocationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_6994eb23-6532-432a-84d9-726dc32a38fd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_e5801542-dfeb-40f4-aca6-bc73b2c78578" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_6994eb23-6532-432a-84d9-726dc32a38fd" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_e5801542-dfeb-40f4-aca6-bc73b2c78578" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_fa15127c-d05f-4ae8-8007-e3bda80c362e" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_e5801542-dfeb-40f4-aca6-bc73b2c78578" xlink:to="loc_srt_StatementGeographicalAxis_fa15127c-d05f-4ae8-8007-e3bda80c362e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_d54c44ce-7b70-44e3-b30e-56410e971d51" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementGeographicalAxis_fa15127c-d05f-4ae8-8007-e3bda80c362e" xlink:to="loc_srt_SegmentGeographicalDomain_d54c44ce-7b70-44e3-b30e-56410e971d51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_48ebd4b1-e781-4a39-a93b-ae0d898ceab1" xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_US"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_d54c44ce-7b70-44e3-b30e-56410e971d51" xlink:to="loc_country_US_48ebd4b1-e781-4a39-a93b-ae0d898ceab1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_457dc0cd-ddaa-4da2-a380-f76a5bdfb480" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonUsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_d54c44ce-7b70-44e3-b30e-56410e971d51" xlink:to="loc_us-gaap_NonUsMember_457dc0cd-ddaa-4da2-a380-f76a5bdfb480" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_afd55b46-a55d-40cd-ace1-afcae8452514" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_e5801542-dfeb-40f4-aca6-bc73b2c78578" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_afd55b46-a55d-40cd-ace1-afcae8452514" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cc60945f-31e0-4642-b30c-8e34e2a8f6e9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_afd55b46-a55d-40cd-ace1-afcae8452514" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cc60945f-31e0-4642-b30c-8e34e2a8f6e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/RevenuesNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#RevenuesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/RevenuesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_de9332df-1beb-48aa-8d36-2482fbeb179d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_b5e7ca6e-fe9f-41a4-8c9a-021c928c40e1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_de9332df-1beb-48aa-8d36-2482fbeb179d" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_b5e7ca6e-fe9f-41a4-8c9a-021c928c40e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_edc54e2c-929e-492d-9274-7d3d066eafdb" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MajorCustomersAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5e7ca6e-fe9f-41a4-8c9a-021c928c40e1" xlink:to="loc_srt_MajorCustomersAxis_edc54e2c-929e-492d-9274-7d3d066eafdb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_5b0e6930-da0b-4826-aa1c-90b2783a0c01" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_MajorCustomersAxis_edc54e2c-929e-492d-9274-7d3d066eafdb" xlink:to="loc_srt_NameOfMajorCustomerDomain_5b0e6930-da0b-4826-aa1c-90b2783a0c01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_CustomerOneMember_2472ba4d-8e73-4af6-a75c-ef2afa71ad4c" xlink:href="rubi-20200630.xsd#rubi_CustomerOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_5b0e6930-da0b-4826-aa1c-90b2783a0c01" xlink:to="loc_rubi_CustomerOneMember_2472ba4d-8e73-4af6-a75c-ef2afa71ad4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_CustomerTwoMember_a1f4fa73-eec6-4011-a73d-b980a6497ce1" xlink:href="rubi-20200630.xsd#rubi_CustomerTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_5b0e6930-da0b-4826-aa1c-90b2783a0c01" xlink:to="loc_rubi_CustomerTwoMember_a1f4fa73-eec6-4011-a73d-b980a6497ce1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_f531f21d-25e8-4a10-a6ce-5230eb31c5be" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5e7ca6e-fe9f-41a4-8c9a-021c928c40e1" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_f531f21d-25e8-4a10-a6ce-5230eb31c5be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_d766cd3f-aebb-445e-9c71-1da2285f95eb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f531f21d-25e8-4a10-a6ce-5230eb31c5be" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_d766cd3f-aebb-445e-9c71-1da2285f95eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_914d270a-fbe0-43dc-8830-4b599dc63796" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_d766cd3f-aebb-445e-9c71-1da2285f95eb" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_914d270a-fbe0-43dc-8830-4b599dc63796" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b5e7ca6e-fe9f-41a4-8c9a-021c928c40e1" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_PercentOfRevenueGrossBasis_e356e746-a1d3-429f-855b-52611169988b" xlink:href="rubi-20200630.xsd#rubi_PercentOfRevenueGrossBasis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_rubi_PercentOfRevenueGrossBasis_e356e746-a1d3-429f-855b-52611169988b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RevenuePaymentTerms_d3b1ffe5-3afc-4306-8613-5a5751def9fd" xlink:href="rubi-20200630.xsd#rubi_RevenuePaymentTerms"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_rubi_RevenuePaymentTerms_d3b1ffe5-3afc-4306-8613-5a5751def9fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_15a32634-bcce-4f78-9103-0793020d3877" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_15a32634-bcce-4f78-9103-0793020d3877" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_277394db-3174-4262-ad69-5486dd429b95" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_277394db-3174-4262-ad69-5486dd429b95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_AccountsPayableSeller_53423695-972f-42b6-b22d-3552081398f6" xlink:href="rubi-20200630.xsd#rubi_AccountsPayableSeller"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_rubi_AccountsPayableSeller_53423695-972f-42b6-b22d-3552081398f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_da0e55d2-267a-4833-aa12-b799e61e9f7e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_da0e55d2-267a-4833-aa12-b799e61e9f7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_IncreaseDecreaseinAccountsPayableSeller_73a53d72-a4fa-46b7-90d5-632136d28516" xlink:href="rubi-20200630.xsd#rubi_IncreaseDecreaseinAccountsPayableSeller"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_rubi_IncreaseDecreaseinAccountsPayableSeller_73a53d72-a4fa-46b7-90d5-632136d28516" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_AccountsReceivableBadDebtExpense_4f7e7a11-0999-486f-a0da-836d589ff4a8" xlink:href="rubi-20200630.xsd#rubi_AccountsReceivableBadDebtExpense"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_1894c3b7-94aa-469c-8623-44edfc22288d" xlink:to="loc_rubi_AccountsReceivableBadDebtExpense_4f7e7a11-0999-486f-a0da-836d589ff4a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/RevenuesScheduleofAllowanceforDoubtfulAccountsDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#RevenuesScheduleofAllowanceforDoubtfulAccountsDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/RevenuesScheduleofAllowanceforDoubtfulAccountsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_a44ba0bf-4dff-4348-983e-6d608056db8a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_a44ba0bf-4dff-4348-983e-6d608056db8a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_72d826cb-9d84-48ff-a0b5-f999a1451dde" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_72d826cb-9d84-48ff-a0b5-f999a1451dde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_AccountsReceivableAllowanceForCreditLossMergerAssumed_a0dda31a-018f-4dbf-886a-e66cf8d867be" xlink:href="rubi-20200630.xsd#rubi_AccountsReceivableAllowanceForCreditLossMergerAssumed"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:to="loc_rubi_AccountsReceivableAllowanceForCreditLossMergerAssumed_a0dda31a-018f-4dbf-886a-e66cf8d867be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_196bff4e-5d92-44dc-8886-c51d8625fc17" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_196bff4e-5d92-44dc-8886-c51d8625fc17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_3259c350-124d-46cb-989a-d96692e07004" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_3259c350-124d-46cb-989a-d96692e07004" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_05ab2848-cecf-4db4-a22f-66004d15f272" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_05ab2848-cecf-4db4-a22f-66004d15f272" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_ba743b7f-c2b3-4523-8a0d-d1e197125dab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_43450fc4-6321-4572-9e8f-1ede0dbdcc74" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_ba743b7f-c2b3-4523-8a0d-d1e197125dab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="rubi-20200630.xsd#FairValueMeasurements"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_4c3eb2a5-34ce-4fd5-99c9-fa678c0d8d58" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_822fd50a-859f-4693-8935-c9ea85c71755" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_4c3eb2a5-34ce-4fd5-99c9-fa678c0d8d58" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_822fd50a-859f-4693-8935-c9ea85c71755" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#FairValueMeasurementsTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_e99be122-e6e0-481f-a783-602e66dbd587" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_64497b7c-37bc-49cc-912f-aa943c7efba0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_e99be122-e6e0-481f-a783-602e66dbd587" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_64497b7c-37bc-49cc-912f-aa943c7efba0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/FairValueMeasurementsFinancialInstrumentsDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#FairValueMeasurementsFinancialInstrumentsDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/FairValueMeasurementsFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_cc4685c0-e783-40de-9bf8-be417d4a92f1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6104b896-9da8-468f-abf2-7034802b135d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_cc4685c0-e783-40de-9bf8-be417d4a92f1" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6104b896-9da8-468f-abf2-7034802b135d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8787f80c-e0ba-4858-aa20-d32d8300d087" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6104b896-9da8-468f-abf2-7034802b135d" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8787f80c-e0ba-4858-aa20-d32d8300d087" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_5c08a787-7dd2-4ca7-96b7-5ec7650a5650" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_8787f80c-e0ba-4858-aa20-d32d8300d087" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_5c08a787-7dd2-4ca7-96b7-5ec7650a5650" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_cb45caf5-8ebc-403c-8786-2ea7fa48e920" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_5c08a787-7dd2-4ca7-96b7-5ec7650a5650" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_cb45caf5-8ebc-403c-8786-2ea7fa48e920" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_cd94dd73-474e-4d6b-a5fa-01ce98a498ab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6104b896-9da8-468f-abf2-7034802b135d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_cd94dd73-474e-4d6b-a5fa-01ce98a498ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c9217991-a601-4008-8a12-e4d4ac66b2f4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_cd94dd73-474e-4d6b-a5fa-01ce98a498ab" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c9217991-a601-4008-8a12-e4d4ac66b2f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_759019a1-6538-4cf1-a325-a49b50460a40" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c9217991-a601-4008-8a12-e4d4ac66b2f4" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_759019a1-6538-4cf1-a325-a49b50460a40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_9df6d269-2e2e-4355-893d-0ad1e458feb8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c9217991-a601-4008-8a12-e4d4ac66b2f4" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_9df6d269-2e2e-4355-893d-0ad1e458feb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_0559172a-d4a7-4d4b-8960-a554e7afc6dd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c9217991-a601-4008-8a12-e4d4ac66b2f4" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_0559172a-d4a7-4d4b-8960-a554e7afc6dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_82cc122f-641c-4f85-be4a-e80185b7638d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6104b896-9da8-468f-abf2-7034802b135d" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_82cc122f-641c-4f85-be4a-e80185b7638d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_f52be1c8-f6c9-4aa2-9646-e5e9ea032d32" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_82cc122f-641c-4f85-be4a-e80185b7638d" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_f52be1c8-f6c9-4aa2-9646-e5e9ea032d32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#FairValueMeasurementsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_7d8b9fe9-846d-4a87-969f-7bef8d320349" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_dd625931-9dee-405e-b843-b91d35bb0f2c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_7d8b9fe9-846d-4a87-969f-7bef8d320349" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_dd625931-9dee-405e-b843-b91d35bb0f2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_6b962106-68e4-484c-9caa-5f424011df7f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_dd625931-9dee-405e-b843-b91d35bb0f2c" xlink:to="loc_us-gaap_FinancialInstrumentAxis_6b962106-68e4-484c-9caa-5f424011df7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_49ae410d-58c5-4dbc-8c6f-e81d0a2d789a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_6b962106-68e4-484c-9caa-5f424011df7f" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_49ae410d-58c5-4dbc-8c6f-e81d0a2d789a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_c7362d46-3fac-4a43-8c61-0566ebffbe41" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_49ae410d-58c5-4dbc-8c6f-e81d0a2d789a" xlink:to="loc_us-gaap_MoneyMarketFundsMember_c7362d46-3fac-4a43-8c61-0566ebffbe41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_91a8bf8f-0732-4536-8d2d-28e9c18db353" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_dd625931-9dee-405e-b843-b91d35bb0f2c" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_91a8bf8f-0732-4536-8d2d-28e9c18db353" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_ad978e0f-78d7-4a58-933d-4728f5a98515" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_91a8bf8f-0732-4536-8d2d-28e9c18db353" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_ad978e0f-78d7-4a58-933d-4728f5a98515" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_2b15e205-cd27-42ff-b298-0e2d6fe5e14e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_ad978e0f-78d7-4a58-933d-4728f5a98515" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_2b15e205-cd27-42ff-b298-0e2d6fe5e14e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_514e6b3b-26b3-4387-a91c-a3ac601f04d0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_dd625931-9dee-405e-b843-b91d35bb0f2c" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_514e6b3b-26b3-4387-a91c-a3ac601f04d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_bcdc69e0-6eed-4b4a-a1e3-fd42bf2e6dbe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_514e6b3b-26b3-4387-a91c-a3ac601f04d0" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_bcdc69e0-6eed-4b4a-a1e3-fd42bf2e6dbe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/OtherBalanceSheetAmounts" xlink:type="simple" xlink:href="rubi-20200630.xsd#OtherBalanceSheetAmounts"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/OtherBalanceSheetAmounts" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_5382bb6a-06d8-4b79-b110-812b16a61abe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_530ce36c-f1d5-494c-8adc-c56e253aa4f5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_5382bb6a-06d8-4b79-b110-812b16a61abe" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_530ce36c-f1d5-494c-8adc-c56e253aa4f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/OtherBalanceSheetAmountsTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#OtherBalanceSheetAmountsTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/OtherBalanceSheetAmountsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_ae8f1f6a-1514-49bc-ac2c-b7edfd18ac9d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_a5335161-f037-40bc-be44-b7de7814db57" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_ae8f1f6a-1514-49bc-ac2c-b7edfd18ac9d" xlink:to="loc_us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_a5335161-f037-40bc-be44-b7de7814db57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/OtherBalanceSheetAmountsAccountsPayableandAccruedExpensesDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#OtherBalanceSheetAmountsAccountsPayableandAccruedExpensesDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/OtherBalanceSheetAmountsAccountsPayableandAccruedExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9b00e410-c919-47a5-b25e-c6552d208d9d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_AccountsPayableSellerCurrent_e138139b-bfaf-4593-af63-4c4af4648505" xlink:href="rubi-20200630.xsd#rubi_AccountsPayableSellerCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9b00e410-c919-47a5-b25e-c6552d208d9d" xlink:to="loc_rubi_AccountsPayableSellerCurrent_e138139b-bfaf-4593-af63-4c4af4648505" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_76d21326-6b1a-4e65-812e-2ba29531f847" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableTradeCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9b00e410-c919-47a5-b25e-c6552d208d9d" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_76d21326-6b1a-4e65-812e-2ba29531f847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_082ae353-1e1a-477e-8aed-df3469002cdc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9b00e410-c919-47a5-b25e-c6552d208d9d" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_082ae353-1e1a-477e-8aed-df3469002cdc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_c38eca8e-9c08-46dc-b571-c25a8ee5d1e2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9b00e410-c919-47a5-b25e-c6552d208d9d" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_c38eca8e-9c08-46dc-b571-c25a8ee5d1e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/OtherBalanceSheetAmountsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#OtherBalanceSheetAmountsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/OtherBalanceSheetAmountsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_af5851a8-0d83-43b0-847b-277e294bf4df" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedBalanceSheetStatementTable_5e5faa1e-bdc0-4cca-93e8-0d3e5a47d1c6" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CondensedBalanceSheetStatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_af5851a8-0d83-43b0-847b-277e294bf4df" xlink:to="loc_srt_CondensedBalanceSheetStatementTable_5e5faa1e-bdc0-4cca-93e8-0d3e5a47d1c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_3d61d3e9-f684-4004-96c5-3629cf4a9483" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementTable_5e5faa1e-bdc0-4cca-93e8-0d3e5a47d1c6" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_3d61d3e9-f684-4004-96c5-3629cf4a9483" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_f9bcf739-9476-4b86-8a77-09c3519cda24" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_3d61d3e9-f684-4004-96c5-3629cf4a9483" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_f9bcf739-9476-4b86-8a77-09c3519cda24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_9d4fab0c-fd39-42f4-9152-5965a3669a32" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f9bcf739-9476-4b86-8a77-09c3519cda24" xlink:to="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_9d4fab0c-fd39-42f4-9152-5965a3669a32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_df007e63-83ab-45c9-a2e2-fbbe86e3a9aa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_f9bcf739-9476-4b86-8a77-09c3519cda24" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_df007e63-83ab-45c9-a2e2-fbbe86e3a9aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_5309a6f5-60cc-4526-bc5d-b71f78d8ad79" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CondensedBalanceSheetStatementsCaptionsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementTable_5e5faa1e-bdc0-4cca-93e8-0d3e5a47d1c6" xlink:to="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_5309a6f5-60cc-4526-bc5d-b71f78d8ad79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_1dbc165e-58c1-41fd-b7bb-cce7442afb0b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCash"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_5309a6f5-60cc-4526-bc5d-b71f78d8ad79" xlink:to="loc_us-gaap_RestrictedCash_1dbc165e-58c1-41fd-b7bb-cce7442afb0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/GoodwillandIntangibleAssets" xlink:type="simple" xlink:href="rubi-20200630.xsd#GoodwillandIntangibleAssets"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/GoodwillandIntangibleAssets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_891b2587-864e-4258-9b84-b008220eaac8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_31d63e12-67e4-47dc-986c-835c19c1b2fe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_891b2587-864e-4258-9b84-b008220eaac8" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_31d63e12-67e4-47dc-986c-835c19c1b2fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#GoodwillandIntangibleAssetsTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_d7243aeb-5a32-4a88-9ef0-72b19bb408a4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_ef2c8170-8a0c-4f1e-a455-8b70949dbdcb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_d7243aeb-5a32-4a88-9ef0-72b19bb408a4" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_ef2c8170-8a0c-4f1e-a455-8b70949dbdcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_9d99bd44-c430-4fde-9d28-66ff498d9093" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_d7243aeb-5a32-4a88-9ef0-72b19bb408a4" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_9d99bd44-c430-4fde-9d28-66ff498d9093" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#GoodwillandIntangibleAssetsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2fc5c2ae-d282-44ae-8c3b-655158227c5a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_14e946a5-3e82-4b95-a895-36a495ae9f42" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2fc5c2ae-d282-44ae-8c3b-655158227c5a" xlink:to="loc_us-gaap_Goodwill_14e946a5-3e82-4b95-a895-36a495ae9f42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_483501e4-3aa5-4b31-bc7c-71c46bc58c3e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2fc5c2ae-d282-44ae-8c3b-655158227c5a" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_483501e4-3aa5-4b31-bc7c-71c46bc58c3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsFiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#GoodwillandIntangibleAssetsFiniteLivedIntangibleAssetsDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_322a153a-c6a8-4967-8bcf-8a04b0a47835" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_cf27112d-7bd4-482e-962b-0ed7da20707e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_322a153a-c6a8-4967-8bcf-8a04b0a47835" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_cf27112d-7bd4-482e-962b-0ed7da20707e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7999bff9-9503-4610-9244-b4ad9f4452e5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_cf27112d-7bd4-482e-962b-0ed7da20707e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7999bff9-9503-4610-9244-b4ad9f4452e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7999bff9-9503-4610-9244-b4ad9f4452e5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_5677f0b9-6f9b-4e37-9bd5-6ca84d569ccf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_5677f0b9-6f9b-4e37-9bd5-6ca84d569ccf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_788ff802-8d72-469a-a36c-f455ea27e64e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:to="loc_us-gaap_CustomerRelationshipsMember_788ff802-8d72-469a-a36c-f455ea27e64e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_752ae20c-fc93-4cb8-8112-4c1faa758977" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_752ae20c-fc93-4cb8-8112-4c1faa758977" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_83cf9fe2-75cb-4a70-9351-d8b1ec98ee05" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrderOrProductionBacklogMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_83cf9fe2-75cb-4a70-9351-d8b1ec98ee05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_4698209e-1eb3-410a-8054-83f432518b41" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_4698209e-1eb3-410a-8054-83f432518b41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_2ca33df9-33cb-482e-a5c6-2629ce932479" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_bbc61b24-eb17-4898-bcb9-fcf4ba645fc8" xlink:to="loc_us-gaap_TrademarksMember_2ca33df9-33cb-482e-a5c6-2629ce932479" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_1b90a7e3-49fb-45e5-8d45-e45b249ddb07" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_cf27112d-7bd4-482e-962b-0ed7da20707e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_1b90a7e3-49fb-45e5-8d45-e45b249ddb07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_31485c33-95bb-404a-a7aa-84b558055ec1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_1b90a7e3-49fb-45e5-8d45-e45b249ddb07" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_31485c33-95bb-404a-a7aa-84b558055ec1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_97464be7-bfbe-44f7-aca7-c601ab91733b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_1b90a7e3-49fb-45e5-8d45-e45b249ddb07" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_97464be7-bfbe-44f7-aca7-c601ab91733b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_bb2349ed-393e-4069-9d03-3ac68774389d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_1b90a7e3-49fb-45e5-8d45-e45b249ddb07" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_bb2349ed-393e-4069-9d03-3ac68774389d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#GoodwillandIntangibleAssetsFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/GoodwillandIntangibleAssetsFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_fc2410b9-61bd-4676-91f1-ec0696041fdc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_fc2410b9-61bd-4676-91f1-ec0696041fdc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_74784eac-f317-4619-b9d1-9d20f233a132" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_74784eac-f317-4619-b9d1-9d20f233a132" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_6a442543-0c08-4e12-a2a5-5cb7298ea76f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_6a442543-0c08-4e12-a2a5-5cb7298ea76f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_2ceb4a46-8c1b-43b9-a379-b0dac134d6b1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_2ceb4a46-8c1b-43b9-a379-b0dac134d6b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_bb70903e-0ea2-458b-b8c4-f69b4e2304eb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_bb70903e-0ea2-458b-b8c4-f69b4e2304eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_43891342-f068-42da-99ed-91d9c95d8c7a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_43891342-f068-42da-99ed-91d9c95d8c7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_956e2454-5d47-42c7-b773-29e191c8437a" xlink:href="rubi-20200630.xsd#rubi_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_rubi_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_956e2454-5d47-42c7-b773-29e191c8437a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_90efa5ab-56e5-40c3-a683-d86d3ba73dc7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_637c0fc1-d7ad-4c6d-9b6d-c16940007bc3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_90efa5ab-56e5-40c3-a683-d86d3ba73dc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinations" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinations"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_f2aa6038-befc-441e-9d15-023e43319e16" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_a3e98429-5bac-4fa1-a59c-fe41addeabc9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f2aa6038-befc-441e-9d15-023e43319e16" xlink:to="loc_us-gaap_BusinessCombinationDisclosureTextBlock_a3e98429-5bac-4fa1-a59c-fe41addeabc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinationsTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinationsTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinationsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_89cb4018-3d75-4156-9fad-cc0af5ff5989" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_ef67d029-524f-4102-a87b-57a545717068" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_89cb4018-3d75-4156-9fad-cc0af5ff5989" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_ef67d029-524f-4102-a87b-57a545717068" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_03d981b0-a811-4a7f-9688-2e38dbf321e5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_89cb4018-3d75-4156-9fad-cc0af5ff5989" xlink:to="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_03d981b0-a811-4a7f-9688-2e38dbf321e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_86188e6d-7073-4d91-a08f-83ff1e046157" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_89cb4018-3d75-4156-9fad-cc0af5ff5989" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_86188e6d-7073-4d91-a08f-83ff1e046157" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinationsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinationsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinationsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_42b6b949-31c8-463e-9f41-39cba0acd69d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e037290a-4420-42ae-879f-85fc3410a05b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_42b6b949-31c8-463e-9f41-39cba0acd69d" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e037290a-4420-42ae-879f-85fc3410a05b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_7844f5af-5c89-4601-af0b-036c1703cb34" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e037290a-4420-42ae-879f-85fc3410a05b" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_7844f5af-5c89-4601-af0b-036c1703cb34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_94844f01-cb12-43b1-9524-e6cf540bd069" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7844f5af-5c89-4601-af0b-036c1703cb34" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_94844f01-cb12-43b1-9524-e6cf540bd069" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_b09a9daf-48d1-41e1-9ea5-be22ff40b183" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_94844f01-cb12-43b1-9524-e6cf540bd069" xlink:to="loc_rubi_TelariaMember_b09a9daf-48d1-41e1-9ea5-be22ff40b183" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e037290a-4420-42ae-879f-85fc3410a05b" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableEntitySharesConvertedPerAcquireeShare_0fb49024-f00e-4bd0-aa0e-09060c34b568" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableEntitySharesConvertedPerAcquireeShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedandIssuableEntitySharesConvertedPerAcquireeShare_0fb49024-f00e-4bd0-aa0e-09060c34b568" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesAdditionallyWithAcceleration_72dd4217-fb3d-4e9d-b646-9144f90ff44b" xlink:href="rubi-20200630.xsd#rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesAdditionallyWithAcceleration"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesAdditionallyWithAcceleration_72dd4217-fb3d-4e9d-b646-9144f90ff44b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_PercentOfCompanyOwnedByHoldersOfAcquiredCompany_790fab7b-e8b9-4ff8-9776-0fb2965038c2" xlink:href="rubi-20200630.xsd#rubi_PercentOfCompanyOwnedByHoldersOfAcquiredCompany"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_PercentOfCompanyOwnedByHoldersOfAcquiredCompany_790fab7b-e8b9-4ff8-9776-0fb2965038c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_PercentOfCompanyOwnedByPreMergerHoldersOfCompany_60464ad8-a653-4e18-b81a-31a8085d5d9e" xlink:href="rubi-20200630.xsd#rubi_PercentOfCompanyOwnedByPreMergerHoldersOfCompany"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_PercentOfCompanyOwnedByPreMergerHoldersOfCompany_60464ad8-a653-4e18-b81a-31a8085d5d9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_cef534e1-35a3-4ec1-a737-1f581abe7f5c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_cef534e1-35a3-4ec1-a737-1f581abe7f5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_36b64a9f-4e3c-4179-91a2-b54952cb6e8f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_36b64a9f-4e3c-4179-91a2-b54952cb6e8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableStockOptionsExchangedPreAcquisition_8427eace-1919-4c15-a80d-abc34d1fb8c0" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableStockOptionsExchangedPreAcquisition"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableStockOptionsExchangedPreAcquisition_8427eace-1919-4c15-a80d-abc34d1fb8c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableRestrictedStockUnitsExchangedPreAcquisition_8964ec93-d162-45d9-ab56-6451b6a9475c" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableRestrictedStockUnitsExchangedPreAcquisition"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableRestrictedStockUnitsExchangedPreAcquisition_8964ec93-d162-45d9-ab56-6451b6a9475c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesAcceleration_f62306ee-69ff-4d4f-ab6d-e33ece071f6a" xlink:href="rubi-20200630.xsd#rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesAcceleration"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesAcceleration_f62306ee-69ff-4d4f-ab6d-e33ece071f6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredConversionOfStockAmountConverted_37e83069-d4b2-4b70-a0db-1123c57df594" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredConversionOfStockAmountConverted"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredConversionOfStockAmountConverted_37e83069-d4b2-4b70-a0db-1123c57df594" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableStockOptionsExchangedPostAcquisition_2f999ec4-7120-4f22-9db3-971fa9199336" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableStockOptionsExchangedPostAcquisition"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableStockOptionsExchangedPostAcquisition_2f999ec4-7120-4f22-9db3-971fa9199336" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableRestrictedStockUnitsExchangedPostAcquisition_2ffe5356-565e-4e35-9abd-2c68b72907ba" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableRestrictedStockUnitsExchangedPostAcquisition"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableRestrictedStockUnitsExchangedPostAcquisition_2ffe5356-565e-4e35-9abd-2c68b72907ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_e8a14c66-1559-4e1a-90f1-5c2d452ab6fb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_e8a14c66-1559-4e1a-90f1-5c2d452ab6fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesEstimatedTaxRate_0bb718dc-6ea6-4915-9437-12d0e0563255" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesEstimatedTaxRate"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesEstimatedTaxRate_0bb718dc-6ea6-4915-9437-12d0e0563255" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts_04832a2e-7a11-45ba-acdf-921d16955adb" xlink:href="rubi-20200630.xsd#rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts_04832a2e-7a11-45ba-acdf-921d16955adb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessAcquisitionNetOperatingLossFederal_3242fe4d-bfc2-4723-a4dd-4dcc73041693" xlink:href="rubi-20200630.xsd#rubi_BusinessAcquisitionNetOperatingLossFederal"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessAcquisitionNetOperatingLossFederal_3242fe4d-bfc2-4723-a4dd-4dcc73041693" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessAcquisitionNetOperatingLossState_b9bfad6f-ce1f-4ebe-aaf2-63842fceff22" xlink:href="rubi-20200630.xsd#rubi_BusinessAcquisitionNetOperatingLossState"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_rubi_BusinessAcquisitionNetOperatingLossState_b9bfad6f-ce1f-4ebe-aaf2-63842fceff22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_06b6b33d-6634-4f62-8712-ba4f4383be68" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0ae19112-eee3-4f76-ae9f-1f48ff5bc97b" xlink:to="loc_us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_06b6b33d-6634-4f62-8712-ba4f4383be68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinationsPurchaseConsiderationDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinationsPurchaseConsiderationDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinationsPurchaseConsiderationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_f0578e4b-354d-40c9-a1ad-30f328b5e6cd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_cd4fee33-a9a7-4455-b78e-717007d298a4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_f0578e4b-354d-40c9-a1ad-30f328b5e6cd" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_cd4fee33-a9a7-4455-b78e-717007d298a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_a789747e-bfd6-47e3-a72f-2eb9adba0f3e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_cd4fee33-a9a7-4455-b78e-717007d298a4" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_a789747e-bfd6-47e3-a72f-2eb9adba0f3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b08b835b-1427-4eee-88ba-db24aa14ee07" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_a789747e-bfd6-47e3-a72f-2eb9adba0f3e" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b08b835b-1427-4eee-88ba-db24aa14ee07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_4696ad7e-1e18-4142-be30-d481e60bb273" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b08b835b-1427-4eee-88ba-db24aa14ee07" xlink:to="loc_rubi_TelariaMember_4696ad7e-1e18-4142-be30-d481e60bb273" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_c5adadf2-5240-46a9-9374-926ab1efbb75" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_cd4fee33-a9a7-4455-b78e-717007d298a4" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_c5adadf2-5240-46a9-9374-926ab1efbb75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_5f2879af-edd3-400f-b0be-02a934871028" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_c5adadf2-5240-46a9-9374-926ab1efbb75" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_5f2879af-edd3-400f-b0be-02a934871028" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuableFairValue_4d23c58b-a32e-4087-ace6-51ef4216a1a5" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuableFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_c5adadf2-5240-46a9-9374-926ab1efbb75" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredEquityInterestsIssuableFairValue_4d23c58b-a32e-4087-ace6-51ef4216a1a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationConsiderationTransferredConversionOfStockAmountConverted_b1d136ce-5d29-48e5-a1c4-ef2c019716d3" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationConsiderationTransferredConversionOfStockAmountConverted"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_c5adadf2-5240-46a9-9374-926ab1efbb75" xlink:to="loc_rubi_BusinessCombinationConsiderationTransferredConversionOfStockAmountConverted_b1d136ce-5d29-48e5-a1c4-ef2c019716d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_0c848953-8469-4f02-893f-41e4235c7deb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_c5adadf2-5240-46a9-9374-926ab1efbb75" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_0c848953-8469-4f02-893f-41e4235c7deb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinationsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinationsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinationsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_63688aa3-8dff-410a-bb51-c9fa6920ca20" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_030f0d1c-263d-49e6-b0a2-0095c4b85ac7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_63688aa3-8dff-410a-bb51-c9fa6920ca20" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_030f0d1c-263d-49e6-b0a2-0095c4b85ac7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_30381243-3f8a-43a7-ba8c-5f06efb810a3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_030f0d1c-263d-49e6-b0a2-0095c4b85ac7" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_30381243-3f8a-43a7-ba8c-5f06efb810a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_51f3c3d3-93d2-42b4-ba6c-5d1852c220b8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_30381243-3f8a-43a7-ba8c-5f06efb810a3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_51f3c3d3-93d2-42b4-ba6c-5d1852c220b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_ef99cec1-366b-4e8c-aa2a-0e9ce1c8d0bd" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_51f3c3d3-93d2-42b4-ba6c-5d1852c220b8" xlink:to="loc_rubi_TelariaMember_ef99cec1-366b-4e8c-aa2a-0e9ce1c8d0bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_030f0d1c-263d-49e6-b0a2-0095c4b85ac7" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_4484cc87-97f3-4c54-a49b-27bd60a26c5f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_4484cc87-97f3-4c54-a49b-27bd60a26c5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_9a24c2b8-c65e-44e3-9c27-e501dbdb4701" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_9a24c2b8-c65e-44e3-9c27-e501dbdb4701" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_4f43d96d-8f4c-4b81-b1fe-c8a151c1149b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_4f43d96d-8f4c-4b81-b1fe-c8a151c1149b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_137b1f45-d980-45ff-a025-e8a278b95230" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_137b1f45-d980-45ff-a025-e8a278b95230" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseLeaseAsset_f3948f31-6524-45db-9334-b7c4a5187b40" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseLeaseAsset"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseLeaseAsset_f3948f31-6524-45db-9334-b7c4a5187b40" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_2cf0c7d7-d04a-40d0-b065-b82341f1f43b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_2cf0c7d7-d04a-40d0-b065-b82341f1f43b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash_474ad529-bdff-4275-a7c0-1429d4b449a2" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCash_474ad529-bdff-4275-a7c0-1429d4b449a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_0e62845b-ff5f-4f4c-853a-69761ea5ce07" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_0e62845b-ff5f-4f4c-853a-69761ea5ce07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_48a28bc6-22bf-4693-820b-bfebb19aeff9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_48a28bc6-22bf-4693-820b-bfebb19aeff9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_69aac01d-9922-46d9-942a-fb1d5a92fe9c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_Goodwill_69aac01d-9922-46d9-942a-fb1d5a92fe9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_536c0f83-651e-4a35-8610-8dbdfe3634d5" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAcquiredIncludingGoodwill_536c0f83-651e-4a35-8610-8dbdfe3634d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities_ea1711f6-7c67-4306-ad10-82fa8d4c032a" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities_ea1711f6-7c67-4306-ad10-82fa8d4c032a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseCurrentLiabilities_c2cd36da-b710-4228-8e2e-c5fee05e2206" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseCurrentLiabilities"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseCurrentLiabilities_c2cd36da-b710-4228-8e2e-c5fee05e2206" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_322a3707-ba82-478d-94d7-3f60bf44712b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_322a3707-ba82-478d-94d7-3f60bf44712b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_3d8f566f-d274-45b8-92f1-662bdea7407f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_3d8f566f-d274-45b8-92f1-662bdea7407f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseNoncurrentLiabilities_73c1db13-cd19-488f-a961-3f2eb5c6f9a8" xlink:href="rubi-20200630.xsd#rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseNoncurrentLiabilities"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_rubi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseNoncurrentLiabilities_73c1db13-cd19-488f-a961-3f2eb5c6f9a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_e0140e98-1c29-4668-8248-4ace40586191" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_e0140e98-1c29-4668-8248-4ace40586191" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_6a016443-bfe6-4e3c-ad5f-b47617fbfca5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_6a016443-bfe6-4e3c-ad5f-b47617fbfca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_6078511d-5917-476a-865a-9b08b65f45f0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6090404d-6c27-4069-b87f-d08c3299c692" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_6078511d-5917-476a-865a-9b08b65f45f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinationsComponentsofIntangibleAssetsandEstimatedUsefulLivesDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinationsComponentsofIntangibleAssetsandEstimatedUsefulLivesDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinationsComponentsofIntangibleAssetsandEstimatedUsefulLivesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_397749b1-b774-4665-8eca-ca4723814629" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6ffc4bf7-3d15-4e99-b80d-0cbcad4ff3c5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_397749b1-b774-4665-8eca-ca4723814629" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6ffc4bf7-3d15-4e99-b80d-0cbcad4ff3c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_53a10cf4-8e91-4f2f-9cfa-bc1eaa2cdea9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6ffc4bf7-3d15-4e99-b80d-0cbcad4ff3c5" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_53a10cf4-8e91-4f2f-9cfa-bc1eaa2cdea9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1a9aff23-ec90-4eb1-ae33-5625bb201d2a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_53a10cf4-8e91-4f2f-9cfa-bc1eaa2cdea9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1a9aff23-ec90-4eb1-ae33-5625bb201d2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_1611f5ce-b83c-430e-8f18-897f96e458f1" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1a9aff23-ec90-4eb1-ae33-5625bb201d2a" xlink:to="loc_rubi_TelariaMember_1611f5ce-b83c-430e-8f18-897f96e458f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bae6ce76-0a4e-497a-9c3a-87137396dd55" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6ffc4bf7-3d15-4e99-b80d-0cbcad4ff3c5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bae6ce76-0a4e-497a-9c3a-87137396dd55" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_bae6ce76-0a4e-497a-9c3a-87137396dd55" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_6c0b99ec-f6ae-42e4-841d-47263d7c8e78" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_6c0b99ec-f6ae-42e4-841d-47263d7c8e78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_a5a93d35-1fcf-478f-8211-bd7e40e6be25" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_a5a93d35-1fcf-478f-8211-bd7e40e6be25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_5d2fd924-7649-4744-82b0-5a0216789ce0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:to="loc_us-gaap_CustomerRelationshipsMember_5d2fd924-7649-4744-82b0-5a0216789ce0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_92b1483d-7049-48fc-ac0b-cb322ccf2fc8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrderOrProductionBacklogMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_92b1483d-7049-48fc-ac0b-cb322ccf2fc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_f77bb4b0-6d27-4015-9b11-153de86f372e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_085ecea7-9735-4180-b6c2-3a0edf47eec7" xlink:to="loc_us-gaap_TrademarksMember_f77bb4b0-6d27-4015-9b11-153de86f372e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_f8e5a932-b49e-48c4-a2b1-0b15f1743d6e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6ffc4bf7-3d15-4e99-b80d-0cbcad4ff3c5" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_f8e5a932-b49e-48c4-a2b1-0b15f1743d6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_889fef5e-1953-42f0-a4fa-4aa2d0bf3eaa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_f8e5a932-b49e-48c4-a2b1-0b15f1743d6e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_889fef5e-1953-42f0-a4fa-4aa2d0bf3eaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7455a851-a1e6-4e56-96cc-41f04838c820" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_f8e5a932-b49e-48c4-a2b1-0b15f1743d6e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7455a851-a1e6-4e56-96cc-41f04838c820" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_NumberOfProjects_8d9fecbf-1e15-40f6-8572-79eb8435ed60" xlink:href="rubi-20200630.xsd#rubi_NumberOfProjects"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_f8e5a932-b49e-48c4-a2b1-0b15f1743d6e" xlink:to="loc_rubi_NumberOfProjects_8d9fecbf-1e15-40f6-8572-79eb8435ed60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/BusinessCombinationsUnauditedProformaInformationDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#BusinessCombinationsUnauditedProformaInformationDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/BusinessCombinationsUnauditedProformaInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_396455ae-839d-4ce8-85ff-e519e6e341de" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e9f4d699-c6de-4703-a861-8c21528085d8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_396455ae-839d-4ce8-85ff-e519e6e341de" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e9f4d699-c6de-4703-a861-8c21528085d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_b1c4fb28-d78f-45bd-904b-2f0b2d754cbc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e9f4d699-c6de-4703-a861-8c21528085d8" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_b1c4fb28-d78f-45bd-904b-2f0b2d754cbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8bcdc6eb-2ce5-400b-b519-af9fed677d22" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_b1c4fb28-d78f-45bd-904b-2f0b2d754cbc" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8bcdc6eb-2ce5-400b-b519-af9fed677d22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_6196febb-7b32-44a9-a1f9-43e2ddf14430" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8bcdc6eb-2ce5-400b-b519-af9fed677d22" xlink:to="loc_rubi_TelariaMember_6196febb-7b32-44a9-a1f9-43e2ddf14430" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_a890bf5e-fe23-4644-b33b-fa1b462c9c34" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_e9f4d699-c6de-4703-a861-8c21528085d8" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_a890bf5e-fe23-4644-b33b-fa1b462c9c34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_07b99dd3-a37c-4dff-bbe5-2b398a565de4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a890bf5e-fe23-4644-b33b-fa1b462c9c34" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_07b99dd3-a37c-4dff-bbe5-2b398a565de4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_100b3e79-b408-40d6-9aa7-8bc3b214a911" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a890bf5e-fe23-4644-b33b-fa1b462c9c34" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_100b3e79-b408-40d6-9aa7-8bc3b214a911" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_52438eee-48c3-4aa8-8239-26719bfdcb90" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_a890bf5e-fe23-4644-b33b-fa1b462c9c34" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_52438eee-48c3-4aa8-8239-26719bfdcb90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/MergerandRestructuringCosts" xlink:type="simple" xlink:href="rubi-20200630.xsd#MergerandRestructuringCosts"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/MergerandRestructuringCosts" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_cb0963b4-4021-45fd-b72c-bca00d6795cd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_76d95717-4a9c-47e9-b325-41c2536d7a1e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_cb0963b4-4021-45fd-b72c-bca00d6795cd" xlink:to="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_76d95717-4a9c-47e9-b325-41c2536d7a1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/MergerandRestructuringCostsTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#MergerandRestructuringCostsTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/MergerandRestructuringCostsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_e118a4f9-55f1-4e0f-96b6-305d9999c204" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_00e269e5-cd77-4f62-b3a2-40effcef555c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_e118a4f9-55f1-4e0f-96b6-305d9999c204" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_00e269e5-cd77-4f62-b3a2-40effcef555c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/MergerandRestructuringCostsMergerandRestructuringCostActivityDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#MergerandRestructuringCostsMergerandRestructuringCostActivityDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/MergerandRestructuringCostsMergerandRestructuringCostActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_4665ba55-2b9f-41ea-b3b8-09fd642596ee" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_094f9108-39dc-42ba-824a-edf7163067e8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_4665ba55-2b9f-41ea-b3b8-09fd642596ee" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_094f9108-39dc-42ba-824a-edf7163067e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_6f5a4246-5f0f-4eb3-8763-e66c78fd40ce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_094f9108-39dc-42ba-824a-edf7163067e8" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_6f5a4246-5f0f-4eb3-8763-e66c78fd40ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_f48cc756-d363-45ed-9b05-e8c823bc8196" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6f5a4246-5f0f-4eb3-8763-e66c78fd40ce" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_f48cc756-d363-45ed-9b05-e8c823bc8196" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_f853157b-346e-4df8-a354-17d15b8efb2a" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_f48cc756-d363-45ed-9b05-e8c823bc8196" xlink:to="loc_rubi_TelariaMember_f853157b-346e-4df8-a354-17d15b8efb2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_b045eda1-58ec-4a59-a46b-5aa8054ee918" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_094f9108-39dc-42ba-824a-edf7163067e8" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_b045eda1-58ec-4a59-a46b-5aa8054ee918" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_68c10312-b994-455c-bc2c-7ef0a9454743" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b045eda1-58ec-4a59-a46b-5aa8054ee918" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_68c10312-b994-455c-bc2c-7ef0a9454743" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_2f4d1d62-130a-4aca-a8d6-d7df52830e47" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCharges"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b045eda1-58ec-4a59-a46b-5aa8054ee918" xlink:to="loc_us-gaap_RestructuringCharges_2f4d1d62-130a-4aca-a8d6-d7df52830e47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringReserveAndMergerRelatedCostsSettledWithoutCash_dbe1bcb5-0978-4e4f-ac93-b152a3651d79" xlink:href="rubi-20200630.xsd#rubi_RestructuringReserveAndMergerRelatedCostsSettledWithoutCash"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b045eda1-58ec-4a59-a46b-5aa8054ee918" xlink:to="loc_rubi_RestructuringReserveAndMergerRelatedCostsSettledWithoutCash_dbe1bcb5-0978-4e4f-ac93-b152a3651d79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts_1993cf4f-2f9b-4e6d-9cf3-fe3da8632579" xlink:href="rubi-20200630.xsd#rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b045eda1-58ec-4a59-a46b-5aa8054ee918" xlink:to="loc_rubi_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts_1993cf4f-2f9b-4e6d-9cf3-fe3da8632579" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/MergerandRestructuringCostsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#MergerandRestructuringCostsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/MergerandRestructuringCostsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_39ee9625-0336-4e85-8eae-1ded9b2028b7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5810b646-b840-4598-a8dd-f7eb8080e2a5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_39ee9625-0336-4e85-8eae-1ded9b2028b7" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5810b646-b840-4598-a8dd-f7eb8080e2a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_9425fee1-929b-4eee-a191-e5094ce0b56b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5810b646-b840-4598-a8dd-f7eb8080e2a5" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_9425fee1-929b-4eee-a191-e5094ce0b56b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d2c21ca7-bfca-4b62-93f5-5d933ad92030" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_9425fee1-929b-4eee-a191-e5094ce0b56b" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d2c21ca7-bfca-4b62-93f5-5d933ad92030" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_be759db4-1de4-4aaf-8f68-a2668bd3d8a8" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d2c21ca7-bfca-4b62-93f5-5d933ad92030" xlink:to="loc_rubi_TelariaMember_be759db4-1de4-4aaf-8f68-a2668bd3d8a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_94f5eeb9-67d9-40fa-85f5-3f5c89724be5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_5810b646-b840-4598-a8dd-f7eb8080e2a5" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_94f5eeb9-67d9-40fa-85f5-3f5c89724be5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts_70a8f38b-cd53-4cce-94bd-c0f98f81fba5" xlink:href="rubi-20200630.xsd#rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_94f5eeb9-67d9-40fa-85f5-3f5c89724be5" xlink:to="loc_rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts_70a8f38b-cd53-4cce-94bd-c0f98f81fba5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/MergerandRestructuringCostsAccruedMergerandRestructuringCostActivityDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#MergerandRestructuringCostsAccruedMergerandRestructuringCostActivityDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/MergerandRestructuringCostsAccruedMergerandRestructuringCostActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_4e687cd7-eeba-4cf1-bc72-0c8b91adea12" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c2a1e8ac-76e5-4442-8001-18107c21b10b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_4e687cd7-eeba-4cf1-bc72-0c8b91adea12" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c2a1e8ac-76e5-4442-8001-18107c21b10b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_de6cb66e-6cfd-48b5-ac1c-b2254218d693" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c2a1e8ac-76e5-4442-8001-18107c21b10b" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_de6cb66e-6cfd-48b5-ac1c-b2254218d693" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b1a6d511-17f6-4384-bf26-ca05c5cc33e4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_de6cb66e-6cfd-48b5-ac1c-b2254218d693" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b1a6d511-17f6-4384-bf26-ca05c5cc33e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TelariaMember_73b5746c-c8eb-41b9-a0be-0a4e54dccd61" xlink:href="rubi-20200630.xsd#rubi_TelariaMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_b1a6d511-17f6-4384-bf26-ca05c5cc33e4" xlink:to="loc_rubi_TelariaMember_73b5746c-c8eb-41b9-a0be-0a4e54dccd61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_9c1bfcf0-16f2-455e-9610-caa471bdecd7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c2a1e8ac-76e5-4442-8001-18107c21b10b" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_9c1bfcf0-16f2-455e-9610-caa471bdecd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9c1bfcf0-16f2-455e-9610-caa471bdecd7" xlink:to="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts_ab4984ea-d10e-46d8-bdef-f0755c3f66a7" xlink:href="rubi-20200630.xsd#rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:to="loc_rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts_ab4984ea-d10e-46d8-bdef-f0755c3f66a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringChargesAndMergerRelatedCostsSettledWithoutCash_4529b49b-f753-4dc0-97c7-8cd3886dde2b" xlink:href="rubi-20200630.xsd#rubi_RestructuringChargesAndMergerRelatedCostsSettledWithoutCash"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:to="loc_rubi_RestructuringChargesAndMergerRelatedCostsSettledWithoutCash_4529b49b-f753-4dc0-97c7-8cd3886dde2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringChargesMergerAssumedLossContracts_8bdbd92b-68fd-4990-931c-b9e1ba7356b4" xlink:href="rubi-20200630.xsd#rubi_RestructuringChargesMergerAssumedLossContracts"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:to="loc_rubi_RestructuringChargesMergerAssumedLossContracts_8bdbd92b-68fd-4990-931c-b9e1ba7356b4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_PaymentsForRestructuringAndMergerRelatedCosts_279dc3f4-0fb8-4df1-b48e-c06b23d6fd2e" xlink:href="rubi-20200630.xsd#rubi_PaymentsForRestructuringAndMergerRelatedCosts"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:to="loc_rubi_PaymentsForRestructuringAndMergerRelatedCosts_279dc3f4-0fb8-4df1-b48e-c06b23d6fd2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringReserveAndMergerRelatedCostsSettledWithoutCash_d16f04ac-133c-4027-a373-bf99d093b1ce" xlink:href="rubi-20200630.xsd#rubi_RestructuringReserveAndMergerRelatedCostsSettledWithoutCash"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:to="loc_rubi_RestructuringReserveAndMergerRelatedCostsSettledWithoutCash_d16f04ac-133c-4027-a373-bf99d093b1ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts_63ccbe6d-36d3-40c7-b2b7-0219b69064d6" xlink:href="rubi-20200630.xsd#rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringReserveRollForward_8c6de40f-3d7b-4f5b-b34a-36191e6c85d8" xlink:to="loc_rubi_RestructuringReserveAndBusinessCombinationAcquisitionRelatedCosts_63ccbe6d-36d3-40c7-b2b7-0219b69064d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensation"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_420de59e-ea0c-45d2-a1d9-afaf9077a89c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_eed17725-8352-4e74-9b31-9f427262bba8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_420de59e-ea0c-45d2-a1d9-afaf9077a89c" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_eed17725-8352-4e74-9b31-9f427262bba8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_cfc9ced7-419e-449f-931a-554171ea2b88" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_19e286e5-f0e9-4b0f-a000-113f527cce2b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_cfc9ced7-419e-449f-931a-554171ea2b88" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_19e286e5-f0e9-4b0f-a000-113f527cce2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_be1b5477-4b70-4dfb-b665-070bf25a3cf4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_cfc9ced7-419e-449f-931a-554171ea2b88" xlink:to="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_be1b5477-4b70-4dfb-b665-070bf25a3cf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock_0d23db45-b805-41f7-886c-0f0b750cc33e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_cfc9ced7-419e-449f-931a-554171ea2b88" xlink:to="loc_us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock_0d23db45-b805-41f7-886c-0f0b750cc33e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_5d1748ae-2594-417b-8678-b25830d6358c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_cfc9ced7-419e-449f-931a-554171ea2b88" xlink:to="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_5d1748ae-2594-417b-8678-b25830d6358c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_7bafbc90-3aa5-4239-9ead-6b11cf5d6fc6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_cfc9ced7-419e-449f-931a-554171ea2b88" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_7bafbc90-3aa5-4239-9ead-6b11cf5d6fc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d794569b-14ca-4357-bc05-7b66a9069317" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_e90758a6-35de-4bed-8b48-5cbafae462f3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_d794569b-14ca-4357-bc05-7b66a9069317" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_e90758a6-35de-4bed-8b48-5cbafae462f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_b523ca25-0741-480e-8e16-44509535bb6e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_e90758a6-35de-4bed-8b48-5cbafae462f3" xlink:to="loc_us-gaap_AwardTypeAxis_b523ca25-0741-480e-8e16-44509535bb6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_925f8acd-edf8-4607-b00b-588276d05702" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_b523ca25-0741-480e-8e16-44509535bb6e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_925f8acd-edf8-4607-b00b-588276d05702" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_b590c43b-9e99-4271-8b5f-7477151e72ac" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_925f8acd-edf8-4607-b00b-588276d05702" xlink:to="loc_us-gaap_EmployeeStockOptionMember_b590c43b-9e99-4271-8b5f-7477151e72ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_RestrictedStockUnitsAndRestrictedStockAwardsMember_2fa2961b-156f-4fd4-8abc-145e930bcc77" xlink:href="rubi-20200630.xsd#rubi_RestrictedStockUnitsAndRestrictedStockAwardsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_925f8acd-edf8-4607-b00b-588276d05702" xlink:to="loc_rubi_RestrictedStockUnitsAndRestrictedStockAwardsMember_2fa2961b-156f-4fd4-8abc-145e930bcc77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_d2405450-5c36-4755-9542-0be32c62fe88" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_925f8acd-edf8-4607-b00b-588276d05702" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_d2405450-5c36-4755-9542-0be32c62fe88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_e60167fe-6441-4744-9bde-4084abc04e2a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_e90758a6-35de-4bed-8b48-5cbafae462f3" xlink:to="loc_us-gaap_VestingAxis_e60167fe-6441-4744-9bde-4084abc04e2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_b4333193-fe90-46a4-8273-fb719a042136" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_e60167fe-6441-4744-9bde-4084abc04e2a" xlink:to="loc_us-gaap_VestingDomain_b4333193-fe90-46a4-8273-fb719a042136" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_68b59e00-e5d4-4cf9-b8ae-8ed16779920d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_b4333193-fe90-46a4-8273-fb719a042136" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_68b59e00-e5d4-4cf9-b8ae-8ed16779920d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_d5cdfd21-e4ad-4308-8a03-98bd506a3242" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_b4333193-fe90-46a4-8273-fb719a042136" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_d5cdfd21-e4ad-4308-8a03-98bd506a3242" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3bec85a5-2917-4270-8130-215165e56f30" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_e90758a6-35de-4bed-8b48-5cbafae462f3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3bec85a5-2917-4270-8130-215165e56f30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_cd2c1d45-242c-4bf9-a8bd-9caba4f89197" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3bec85a5-2917-4270-8130-215165e56f30" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_cd2c1d45-242c-4bf9-a8bd-9caba4f89197" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_9c09b1da-8363-42be-88b7-75456c4fb5a8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3bec85a5-2917-4270-8130-215165e56f30" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_9c09b1da-8363-42be-88b7-75456c4fb5a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_de8a2515-2454-4733-b9e1-164905f768cd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3bec85a5-2917-4270-8130-215165e56f30" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_de8a2515-2454-4733-b9e1-164905f768cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationStockOptionsOutstandingDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationStockOptionsOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_47ec3a15-4916-4f3a-923e-6f1bed9d5e78" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_47ec3a15-4916-4f3a-923e-6f1bed9d5e78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_991e7f32-aca8-41d4-b944-1456b011e86b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_991e7f32-aca8-41d4-b944-1456b011e86b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInMergerNumber_0dee8d34-acbe-40e3-8a3f-d3f297e66033" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInMergerNumber"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInMergerNumber_0dee8d34-acbe-40e3-8a3f-d3f297e66033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisesinPeriodGross_5dbbeeb6-68dc-4259-9389-3792df8dbfd0" xlink:href="rubi-20200630.xsd#rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisesinPeriodGross"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisesinPeriodGross_5dbbeeb6-68dc-4259-9389-3792df8dbfd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_fdc0b670-d39f-402b-b63e-1585d74ae718" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_fdc0b670-d39f-402b-b63e-1585d74ae718" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_a8ae034d-f2b6-4ced-8af7-6ca9e7fe6cf2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_a8ae034d-f2b6-4ced-8af7-6ca9e7fe6cf2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a7a31755-cf24-4b52-b5af-e6ae82734a53" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_bc1fed56-7afd-48ce-9245-fefb90f1f23b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_a7a31755-cf24-4b52-b5af-e6ae82734a53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1c9e6a37-0972-457f-b674-2ff4ea2f621a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_1c9e6a37-0972-457f-b674-2ff4ea2f621a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_7378aed5-08c1-4f7d-b045-78aad9a2c15d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_7378aed5-08c1-4f7d-b045-78aad9a2c15d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_ee391af2-91eb-4680-a448-217945c2679d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_ee391af2-91eb-4680-a448-217945c2679d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInMergerWeightedAverageExercisePrice_6ef5ea9f-af5d-493f-ab93-2ec52c4a7ca4" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInMergerWeightedAverageExercisePrice"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAssumedInMergerWeightedAverageExercisePrice_6ef5ea9f-af5d-493f-ab93-2ec52c4a7ca4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_2aaec56f-8183-4dee-ba4b-52af6cf19362" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_2aaec56f-8183-4dee-ba4b-52af6cf19362" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_498873cc-1df5-461f-b6c7-8b8a657a644b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_498873cc-1df5-461f-b6c7-8b8a657a644b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_b6b72082-97ea-4608-aa3b-9461519d1a14" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_b6b72082-97ea-4608-aa3b-9461519d1a14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_eec50e08-a77c-4b8e-a32b-8bdbf002de74" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_5128c6ab-4a16-4ead-8113-e8d541fabef5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_eec50e08-a77c-4b8e-a32b-8bdbf002de74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4bea9eaf-79b3-4db0-a1b7-1226eed2818a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4bea9eaf-79b3-4db0-a1b7-1226eed2818a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_ef2e5d1f-3a90-4190-afd9-637c06fc2df7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_ef2e5d1f-3a90-4190-afd9-637c06fc2df7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_7385dbec-710d-43a4-b61d-a7f6cda72c56" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_ef2e5d1f-3a90-4190-afd9-637c06fc2df7" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_7385dbec-710d-43a4-b61d-a7f6cda72c56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_b4854a6a-691c-4867-b280-2bed8c12d691" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_ef2e5d1f-3a90-4190-afd9-637c06fc2df7" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_b4854a6a-691c-4867-b280-2bed8c12d691" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_37335964-d689-43e6-a702-8f2db6835fc0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_6cd445d5-c010-4fae-ba2d-c50375c0bf65" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_37335964-d689-43e6-a702-8f2db6835fc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_abafcd16-cef1-4f4f-a28e-16a195969a2b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_37335964-d689-43e6-a702-8f2db6835fc0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_abafcd16-cef1-4f4f-a28e-16a195969a2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_fc3d9a3f-41f3-4400-bb04-eca67cecbdac" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_37335964-d689-43e6-a702-8f2db6835fc0" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_fc3d9a3f-41f3-4400-bb04-eca67cecbdac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationStockOptionsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationStockOptionsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationStockOptionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_11e35b8a-52a8-4234-87f8-67f69b612f4d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_953fb6c7-5230-4e16-b912-fe161fd1abb4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_11e35b8a-52a8-4234-87f8-67f69b612f4d" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_953fb6c7-5230-4e16-b912-fe161fd1abb4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_d4dbc1d6-0428-49d2-956b-c80af3f93356" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_953fb6c7-5230-4e16-b912-fe161fd1abb4" xlink:to="loc_us-gaap_AwardTypeAxis_d4dbc1d6-0428-49d2-956b-c80af3f93356" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6ea60a06-5d67-4b23-9d65-95d068f22be3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_d4dbc1d6-0428-49d2-956b-c80af3f93356" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6ea60a06-5d67-4b23-9d65-95d068f22be3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_89e867a4-13ec-4720-9cc3-7de6e8cc1593" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6ea60a06-5d67-4b23-9d65-95d068f22be3" xlink:to="loc_us-gaap_EmployeeStockOptionMember_89e867a4-13ec-4720-9cc3-7de6e8cc1593" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_953fb6c7-5230-4e16-b912-fe161fd1abb4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/netLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_2d887114-001e-48da-a9bb-2a7e792514e8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_2d887114-001e-48da-a9bb-2a7e792514e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_891f7ce3-e199-4608-95fd-cd7085e73cab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_891f7ce3-e199-4608-95fd-cd7085e73cab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0ef36b51-62a3-4ccc-921c-d5215c9ed78f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0ef36b51-62a3-4ccc-921c-d5215c9ed78f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_71f6b953-cb08-4be7-a55b-df950ea79583" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_71f6b953-cb08-4be7-a55b-df950ea79583" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsAndAssumptionsInPeriodWeightedAverageGrantDateFairValue_b350dade-295c-48a0-92ea-baea30000468" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsAndAssumptionsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsAndAssumptionsInPeriodWeightedAverageGrantDateFairValue_b350dade-295c-48a0-92ea-baea30000468" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_12bee797-d111-4a75-b471-c2155e0bce60" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_12bee797-d111-4a75-b471-c2155e0bce60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAssumedInMerger_06d04b4f-eff7-417a-9f6a-dfe20d5c9012" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAssumedInMerger"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_878bd512-ab98-43bb-969f-61c9bb79d4ea" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAssumedInMerger_06d04b4f-eff7-417a-9f6a-dfe20d5c9012" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationValuationAssumptionsDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationValuationAssumptionsDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationValuationAssumptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_61662b2c-ffde-4a84-beaf-02a9874fe65b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7aab7a81-eadb-4375-905c-87fdf0824b06" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_61662b2c-ffde-4a84-beaf-02a9874fe65b" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7aab7a81-eadb-4375-905c-87fdf0824b06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_6f3865ca-dfd3-4133-ba87-ba1ad7461424" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7aab7a81-eadb-4375-905c-87fdf0824b06" xlink:to="loc_us-gaap_AwardTypeAxis_6f3865ca-dfd3-4133-ba87-ba1ad7461424" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_17c3ab52-ee8e-44c6-ab52-ad5ca08adbaf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_6f3865ca-dfd3-4133-ba87-ba1ad7461424" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_17c3ab52-ee8e-44c6-ab52-ad5ca08adbaf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_8747a52d-2482-4722-81d5-de2ff711bb0d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_17c3ab52-ee8e-44c6-ab52-ad5ca08adbaf" xlink:to="loc_us-gaap_EmployeeStockOptionMember_8747a52d-2482-4722-81d5-de2ff711bb0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ac405c4f-5990-444b-933e-f59e84504584" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7aab7a81-eadb-4375-905c-87fdf0824b06" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ac405c4f-5990-444b-933e-f59e84504584" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_bd4d1f5a-40de-4e1a-a515-f50081337756" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ac405c4f-5990-444b-933e-f59e84504584" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_bd4d1f5a-40de-4e1a-a515-f50081337756" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_524dfca9-ebf4-4169-8a43-511e168320f4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ac405c4f-5990-444b-933e-f59e84504584" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_524dfca9-ebf4-4169-8a43-511e168320f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_c5dc3398-1c24-407c-a635-5fe0bd2ee93e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ac405c4f-5990-444b-933e-f59e84504584" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_c5dc3398-1c24-407c-a635-5fe0bd2ee93e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_793e114f-a551-4b14-bb7c-ff50e23bc79b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ac405c4f-5990-444b-933e-f59e84504584" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_793e114f-a551-4b14-bb7c-ff50e23bc79b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockActivityDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationRestrictedStockActivityDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_2c0b6be3-1370-467e-806c-060a5bd31fc6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_831e6401-5d3d-48f5-872a-ea23d31e36c2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_2c0b6be3-1370-467e-806c-060a5bd31fc6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_831e6401-5d3d-48f5-872a-ea23d31e36c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_92d682b0-75ac-4f32-b07f-8b76075c0281" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_831e6401-5d3d-48f5-872a-ea23d31e36c2" xlink:to="loc_us-gaap_AwardTypeAxis_92d682b0-75ac-4f32-b07f-8b76075c0281" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_119a7dd5-4422-4f9a-8df5-03b833312a78" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_92d682b0-75ac-4f32-b07f-8b76075c0281" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_119a7dd5-4422-4f9a-8df5-03b833312a78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_bda464a1-02db-4dea-abb3-30d064a44c13" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_119a7dd5-4422-4f9a-8df5-03b833312a78" xlink:to="loc_us-gaap_RestrictedStockMember_bda464a1-02db-4dea-abb3-30d064a44c13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_27c6a4f5-1da0-41a3-8842-188ab8d0d201" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_831e6401-5d3d-48f5-872a-ea23d31e36c2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_27c6a4f5-1da0-41a3-8842-188ab8d0d201" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_27c6a4f5-1da0-41a3-8842-188ab8d0d201" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_88975a49-3578-4980-ac54-bdf577447f45" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_88975a49-3578-4980-ac54-bdf577447f45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_d0b4154e-d081-45b2-8f2d-8f1c5f96f0b3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_d0b4154e-d081-45b2-8f2d-8f1c5f96f0b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_b13cdc78-b980-400c-b1e6-2fdd5a7e484b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_b13cdc78-b980-400c-b1e6-2fdd5a7e484b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8e86f714-3cfe-4b4e-9bf6-a788ed2cdb33" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8e86f714-3cfe-4b4e-9bf6-a788ed2cdb33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_a8c92930-96c3-4c1b-a574-ab75613cdda3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_9c8261b2-b701-4303-94bb-c7e9131a9ea8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_a8c92930-96c3-4c1b-a574-ab75613cdda3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_27c6a4f5-1da0-41a3-8842-188ab8d0d201" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_53e6e8c4-1d21-427c-a78a-71fc2ab89fce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_53e6e8c4-1d21-427c-a78a-71fc2ab89fce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3c99135d-1995-480a-9b27-820bfdbc3fec" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3c99135d-1995-480a-9b27-820bfdbc3fec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_d84ccffd-640d-40e5-af6b-f42c64bf5939" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_d84ccffd-640d-40e5-af6b-f42c64bf5939" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8ff6f211-fdbd-447f-9643-a6cc1a947a10" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8ff6f211-fdbd-447f-9643-a6cc1a947a10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_1f513a2f-43b6-4685-9474-9f5cc145d3d3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7ef7d301-2770-4910-8505-135d4b7d87a7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_1f513a2f-43b6-4685-9474-9f5cc145d3d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationRestrictedStockNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_67f1285e-8056-4b82-9ced-f2cdf68690d5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d4492172-9443-4494-9fd0-28c81c6745bf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_67f1285e-8056-4b82-9ced-f2cdf68690d5" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d4492172-9443-4494-9fd0-28c81c6745bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_34c0d6ae-dd3d-4a7f-b8f8-1d6a9253e84c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d4492172-9443-4494-9fd0-28c81c6745bf" xlink:to="loc_us-gaap_AwardTypeAxis_34c0d6ae-dd3d-4a7f-b8f8-1d6a9253e84c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f6782fd-d9bd-4d00-99fa-9776a1715ed4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_34c0d6ae-dd3d-4a7f-b8f8-1d6a9253e84c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f6782fd-d9bd-4d00-99fa-9776a1715ed4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_f31ebd75-c70a-4254-9fb1-349eeb0e16dd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f6782fd-d9bd-4d00-99fa-9776a1715ed4" xlink:to="loc_us-gaap_RestrictedStockMember_f31ebd75-c70a-4254-9fb1-349eeb0e16dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_db9258f8-f583-41e1-bc84-54c16de71032" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d4492172-9443-4494-9fd0-28c81c6745bf" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_db9258f8-f583-41e1-bc84-54c16de71032" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_e2454c2e-280f-4a4d-9f3a-819358b4b33c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_db9258f8-f583-41e1-bc84-54c16de71032" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_e2454c2e-280f-4a4d-9f3a-819358b4b33c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockUnitsActivityDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationRestrictedStockUnitsActivityDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockUnitsActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e1fdfb37-e149-42dc-908a-1d946e2fdb8a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2a87c578-1d3f-4bad-90c8-ee4702735a0a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_e1fdfb37-e149-42dc-908a-1d946e2fdb8a" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2a87c578-1d3f-4bad-90c8-ee4702735a0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_fa45582d-5c12-4afe-b68e-96e0bba2c355" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2a87c578-1d3f-4bad-90c8-ee4702735a0a" xlink:to="loc_us-gaap_AwardTypeAxis_fa45582d-5c12-4afe-b68e-96e0bba2c355" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fe0af08f-57b1-4b79-8b60-fc97a5f38681" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_fa45582d-5c12-4afe-b68e-96e0bba2c355" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fe0af08f-57b1-4b79-8b60-fc97a5f38681" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_83750a82-17ab-49d6-b0c0-a044b927c3c3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fe0af08f-57b1-4b79-8b60-fc97a5f38681" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_83750a82-17ab-49d6-b0c0-a044b927c3c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5dc1363d-4196-4949-a3be-c75bde79dab0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2a87c578-1d3f-4bad-90c8-ee4702735a0a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5dc1363d-4196-4949-a3be-c75bde79dab0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5dc1363d-4196-4949-a3be-c75bde79dab0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_88f46a92-f299-467d-b9e2-ac289b0bfada" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_88f46a92-f299-467d-b9e2-ac289b0bfada" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_26cb0916-3ef6-41b0-aeeb-09cbb5801c77" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_26cb0916-3ef6-41b0-aeeb-09cbb5801c77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodInMerger_b44d147f-48e6-4cef-bad3-dec4d5df4266" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodInMerger"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodInMerger_b44d147f-48e6-4cef-bad3-dec4d5df4266" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_41ee89e9-5b23-4f61-b051-6babb81b06cb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_41ee89e9-5b23-4f61-b051-6babb81b06cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0ba30841-6a79-4485-8cbc-4f9fb1b74188" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0ba30841-6a79-4485-8cbc-4f9fb1b74188" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_74064fd4-3f01-449b-b2f1-e28fb9efb076" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_13e60dc6-9c1e-46ff-b6e9-66ea66f4c314" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_74064fd4-3f01-449b-b2f1-e28fb9efb076" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_5dc1363d-4196-4949-a3be-c75bde79dab0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_448567d1-7c14-4626-9874-482c87f9a89f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_448567d1-7c14-4626-9874-482c87f9a89f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_4bd59cbc-c8ff-4edd-848e-2c89a132b563" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_4bd59cbc-c8ff-4edd-848e-2c89a132b563" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodInMergerWeightedAverageGrantDateFairValue_f4027ae9-4b47-48db-b4c1-26c11cae4309" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodInMergerWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodInMergerWeightedAverageGrantDateFairValue_f4027ae9-4b47-48db-b4c1-26c11cae4309" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5b514559-f4a2-4879-8e0e-e17a5d05d0da" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_5b514559-f4a2-4879-8e0e-e17a5d05d0da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_c8bf3d6d-4775-42bd-8679-5d2b6d94717f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_c8bf3d6d-4775-42bd-8679-5d2b6d94717f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_f7052757-05e5-4896-a0a3-ea86ad55019b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d5cff249-ee16-42f5-a782-2609653d8afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_f7052757-05e5-4896-a0a3-ea86ad55019b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockUnitsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationRestrictedStockUnitsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationRestrictedStockUnitsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_c94b2a50-c626-4033-80c7-b63c5a2b8283" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_74505ae9-0211-491a-ad92-b3a10a70b8e8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_c94b2a50-c626-4033-80c7-b63c5a2b8283" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_74505ae9-0211-491a-ad92-b3a10a70b8e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_751198b3-5161-4263-808e-0f22fd1fdd84" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_74505ae9-0211-491a-ad92-b3a10a70b8e8" xlink:to="loc_us-gaap_AwardTypeAxis_751198b3-5161-4263-808e-0f22fd1fdd84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_844247c5-644d-49c5-ba6d-00708710f1af" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_751198b3-5161-4263-808e-0f22fd1fdd84" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_844247c5-644d-49c5-ba6d-00708710f1af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_9b1b345e-d0d2-48f6-8a84-889ae9bbd7d4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_844247c5-644d-49c5-ba6d-00708710f1af" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_9b1b345e-d0d2-48f6-8a84-889ae9bbd7d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_74505ae9-0211-491a-ad92-b3a10a70b8e8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_ebcd2214-eb45-4f54-82bd-33ce61149dae" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_ebcd2214-eb45-4f54-82bd-33ce61149dae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_588e2b86-8c98-4b85-87fa-e4801f7c5f7e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_588e2b86-8c98-4b85-87fa-e4801f7c5f7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_4b8b7d64-d1ab-4486-b8bd-c1266bb1d322" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_4b8b7d64-d1ab-4486-b8bd-c1266bb1d322" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_8f37bd03-6fae-4a2f-943b-5ab86efb4b5a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_8f37bd03-6fae-4a2f-943b-5ab86efb4b5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_EmployeeServiceShareBasedCompensationNonVestedRestrictedStockUnitsCompensationCostNotYetRecognizedPeriodforRecognition_086c2b23-20fa-41c4-b3ff-8ed15db09dd0" xlink:href="rubi-20200630.xsd#rubi_EmployeeServiceShareBasedCompensationNonVestedRestrictedStockUnitsCompensationCostNotYetRecognizedPeriodforRecognition"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_c43425c6-d81f-48df-a535-43db6edf611b" xlink:to="loc_rubi_EmployeeServiceShareBasedCompensationNonVestedRestrictedStockUnitsCompensationCostNotYetRecognizedPeriodforRecognition_086c2b23-20fa-41c4-b3ff-8ed15db09dd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationEmployeeStockPurchasePlanNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationEmployeeStockPurchasePlanNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationEmployeeStockPurchasePlanNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_8ffa9945-b5c1-4e2a-84b5-d6f30dfb8188" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_8fadb8e0-f08b-47a0-906e-0785f6455594" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_8ffa9945-b5c1-4e2a-84b5-d6f30dfb8188" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_8fadb8e0-f08b-47a0-906e-0785f6455594" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_856d446a-271f-4f56-ab36-b8727c755546" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_8fadb8e0-f08b-47a0-906e-0785f6455594" xlink:to="loc_us-gaap_PlanNameAxis_856d446a-271f-4f56-ab36-b8727c755546" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_8b1e2a8e-fcac-446d-ac44-6b47c8e9f60a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_856d446a-271f-4f56-ab36-b8727c755546" xlink:to="loc_us-gaap_PlanNameDomain_8b1e2a8e-fcac-446d-ac44-6b47c8e9f60a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_A2014EmployeeStockPurchasePlanMember_000bc890-bc5c-4221-b975-37557321eb71" xlink:href="rubi-20200630.xsd#rubi_A2014EmployeeStockPurchasePlanMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_8b1e2a8e-fcac-446d-ac44-6b47c8e9f60a" xlink:to="loc_rubi_A2014EmployeeStockPurchasePlanMember_000bc890-bc5c-4221-b975-37557321eb71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_9fb408f9-4317-4bb9-b862-3a4f52dc709d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_8fadb8e0-f08b-47a0-906e-0785f6455594" xlink:to="loc_us-gaap_AwardTypeAxis_9fb408f9-4317-4bb9-b862-3a4f52dc709d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4f721515-f465-4f98-ab0e-c13d66e8c648" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_9fb408f9-4317-4bb9-b862-3a4f52dc709d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4f721515-f465-4f98-ab0e-c13d66e8c648" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_a30de76b-b7e1-4b37-b0d4-a1a9d3e51229" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4f721515-f465-4f98-ab0e-c13d66e8c648" xlink:to="loc_us-gaap_EmployeeStockMember_a30de76b-b7e1-4b37-b0d4-a1a9d3e51229" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_8fadb8e0-f08b-47a0-906e-0785f6455594" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_d9a01295-5321-41cd-addb-191944cb2fe9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_d9a01295-5321-41cd-addb-191944cb2fe9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod_cf09f643-c615-4707-bcbb-781d366cd65f" xlink:href="rubi-20200630.xsd#rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:to="loc_rubi_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod_cf09f643-c615-4707-bcbb-781d366cd65f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_43451372-70d9-4189-a7cb-6be76094afa2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_43451372-70d9-4189-a7cb-6be76094afa2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_db20f881-af56-44cd-96ba-ff51283b2b1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_db20f881-af56-44cd-96ba-ff51283b2b1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_EvergreenAnnualIncrease_fa13f0d4-d382-476c-b529-9170313d22ff" xlink:href="rubi-20200630.xsd#rubi_EvergreenAnnualIncrease"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9940a8f9-6b1b-4fbc-ab14-df9c91c8709b" xlink:to="loc_rubi_EvergreenAnnualIncrease_fa13f0d4-d382-476c-b529-9170313d22ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationStockBasedCompensationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationStockBasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_129c417b-9533-4fe1-9f20-c6b732ebbac1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_3c6def7c-69b3-469d-bfd1-6730fb2bdc78" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_129c417b-9533-4fe1-9f20-c6b732ebbac1" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_3c6def7c-69b3-469d-bfd1-6730fb2bdc78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_8252354a-423c-4022-ab2d-3718a0be46b5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_3c6def7c-69b3-469d-bfd1-6730fb2bdc78" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_8252354a-423c-4022-ab2d-3718a0be46b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_8252354a-423c-4022-ab2d-3718a0be46b5" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_efeafe24-587b-4d87-b218-9a4a61a96440" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfSalesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:to="loc_us-gaap_CostOfSalesMember_efeafe24-587b-4d87-b218-9a4a61a96440" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_26f744fb-00a3-4af1-a748-75f45fdfb6b3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_26f744fb-00a3-4af1-a748-75f45fdfb6b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_74822f1f-5bdb-4270-94cc-632a3c9787f6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_74822f1f-5bdb-4270-94cc-632a3c9787f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_548cbd25-d9f9-44b2-88d6-db0193a02b0f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_548cbd25-d9f9-44b2-88d6-db0193a02b0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesMember_f927f8ce-2b01-4f1e-8178-f88a27991853" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringChargesMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_debc31f6-9aef-4917-94ba-1fef303e9184" xlink:to="loc_us-gaap_RestructuringChargesMember_f927f8ce-2b01-4f1e-8178-f88a27991853" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_b6a71687-8b41-4ef3-a1b1-906aa3b9c178" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_3c6def7c-69b3-469d-bfd1-6730fb2bdc78" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_b6a71687-8b41-4ef3-a1b1-906aa3b9c178" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_5b0b44a0-0dee-4ca0-ac9f-7f15b03d6f23" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_b6a71687-8b41-4ef3-a1b1-906aa3b9c178" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_5b0b44a0-0dee-4ca0-ac9f-7f15b03d6f23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/StockBasedCompensationPerformanceStockUnitsDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#StockBasedCompensationPerformanceStockUnitsDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/StockBasedCompensationPerformanceStockUnitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0602af2b-5658-4bc4-902c-fbb637491948" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_b8d352c1-8f9f-4821-bd80-96d4ac9094ab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0602af2b-5658-4bc4-902c-fbb637491948" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_b8d352c1-8f9f-4821-bd80-96d4ac9094ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_5e03fbad-20d9-4e26-b435-6ad2b6c24187" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_b8d352c1-8f9f-4821-bd80-96d4ac9094ab" xlink:to="loc_us-gaap_AwardTypeAxis_5e03fbad-20d9-4e26-b435-6ad2b6c24187" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_70538152-519a-4a35-a0ca-77fc7209ec30" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_5e03fbad-20d9-4e26-b435-6ad2b6c24187" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_70538152-519a-4a35-a0ca-77fc7209ec30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_1515ab35-ec01-4101-b79a-c755cf01ff36" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_70538152-519a-4a35-a0ca-77fc7209ec30" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_1515ab35-ec01-4101-b79a-c755cf01ff36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_b1412641-6492-4103-b77c-83527ba6a9ca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PerformanceSharesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_70538152-519a-4a35-a0ca-77fc7209ec30" xlink:to="loc_us-gaap_PerformanceSharesMember_b1412641-6492-4103-b77c-83527ba6a9ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_677ed547-1d9a-40aa-8c53-4e8ddd643e7b" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_b8d352c1-8f9f-4821-bd80-96d4ac9094ab" xlink:to="loc_srt_RangeAxis_677ed547-1d9a-40aa-8c53-4e8ddd643e7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_145a88e3-168a-48a9-a42b-1d0f5138dcac" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_677ed547-1d9a-40aa-8c53-4e8ddd643e7b" xlink:to="loc_srt_RangeMember_145a88e3-168a-48a9-a42b-1d0f5138dcac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_026b184b-a9f7-41c6-83c9-1a5073152595" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_145a88e3-168a-48a9-a42b-1d0f5138dcac" xlink:to="loc_srt_MinimumMember_026b184b-a9f7-41c6-83c9-1a5073152595" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_46dd304f-abff-4d6f-b057-b1cd407ce2c9" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_145a88e3-168a-48a9-a42b-1d0f5138dcac" xlink:to="loc_srt_MaximumMember_46dd304f-abff-4d6f-b057-b1cd407ce2c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_6a6c188f-b30e-4133-8000-e3a0a9df06a5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_b8d352c1-8f9f-4821-bd80-96d4ac9094ab" xlink:to="loc_us-gaap_VestingAxis_6a6c188f-b30e-4133-8000-e3a0a9df06a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_17de75bd-af45-4a2b-892b-b0f959422e09" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_6a6c188f-b30e-4133-8000-e3a0a9df06a5" xlink:to="loc_us-gaap_VestingDomain_17de75bd-af45-4a2b-892b-b0f959422e09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_SharebasedPaymentArrangementTrancheFourMember_ac430a6d-9101-4a18-855e-415b99c588be" xlink:href="rubi-20200630.xsd#rubi_SharebasedPaymentArrangementTrancheFourMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_17de75bd-af45-4a2b-892b-b0f959422e09" xlink:to="loc_rubi_SharebasedPaymentArrangementTrancheFourMember_ac430a6d-9101-4a18-855e-415b99c588be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_b8d352c1-8f9f-4821-bd80-96d4ac9094ab" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f0f1395d-0e73-4e75-aac8-f151c12c0999" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f0f1395d-0e73-4e75-aac8-f151c12c0999" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_4a9fc041-f7d7-4aa5-bc65-193dbad47313" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_4a9fc041-f7d7-4aa5-bc65-193dbad47313" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8df2260e-81fb-4981-9bad-c40f8d49e693" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_8df2260e-81fb-4981-9bad-c40f8d49e693" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_f78685d9-4599-4ad6-915d-63df4dfedc15" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_f78685d9-4599-4ad6-915d-63df4dfedc15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceMeasurementPercentage_729965eb-6abe-4d69-b115-b1eb0e42f335" xlink:href="rubi-20200630.xsd#rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceMeasurementPercentage"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_rubi_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceMeasurementPercentage_729965eb-6abe-4d69-b115-b1eb0e42f335" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_457385b3-9304-4a08-8a65-76a405cdc930" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_457385b3-9304-4a08-8a65-76a405cdc930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_bb9aa100-ccf9-4b5a-89ac-84a52c7e9e66" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_bb9aa100-ccf9-4b5a-89ac-84a52c7e9e66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_dd062ea6-f3b2-42a0-aa7a-58ba83bfeb2a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bda99dda-0679-4880-877c-70264da3e964" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_dd062ea6-f3b2-42a0-aa7a-58ba83bfeb2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/IncomeTaxes" xlink:type="simple" xlink:href="rubi-20200630.xsd#IncomeTaxes"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_cf8d62b8-e9de-419d-8298-b9560841cd50" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_76bc60cb-f6ae-4439-8d4b-90e1c48abb25" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_cf8d62b8-e9de-419d-8298-b9560841cd50" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_76bc60cb-f6ae-4439-8d4b-90e1c48abb25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/IncomeTaxesDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#IncomeTaxesDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/IncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_a773a7d9-a978-498a-a89c-7e9da89ee3b8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_6f8daf6c-d5dc-47a1-bc4d-d942b14d9b8c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_a773a7d9-a978-498a-a89c-7e9da89ee3b8" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_6f8daf6c-d5dc-47a1-bc4d-d942b14d9b8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="rubi-20200630.xsd#CommitmentsandContingencies"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CommitmentsandContingencies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_d9172547-94bf-4e68-8781-258f3d40c7e6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_08688f3e-cda2-4815-80d4-4abffb29e0bd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_d9172547-94bf-4e68-8781-258f3d40c7e6" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_08688f3e-cda2-4815-80d4-4abffb29e0bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#CommitmentsandContingenciesDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_47bc117f-b21e-495b-8366-8876093c31c5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_aab752e6-bd51-45a6-ae43-64fe0d91b74a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_47bc117f-b21e-495b-8366-8876093c31c5" xlink:to="loc_us-gaap_OtherCommitmentsTable_aab752e6-bd51-45a6-ae43-64fe0d91b74a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3abfcbb4-1663-4f3c-8e58-700391146374" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_aab752e6-bd51-45a6-ae43-64fe0d91b74a" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3abfcbb4-1663-4f3c-8e58-700391146374" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_eecc8975-6e33-4ab7-90d1-dbc2c73fa44a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_3abfcbb4-1663-4f3c-8e58-700391146374" xlink:to="loc_us-gaap_LossContingencyNatureDomain_eecc8975-6e33-4ab7-90d1-dbc2c73fa44a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_246f3f1d-ec0f-4fe6-897e-0518ee8d5eb5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_eecc8975-6e33-4ab7-90d1-dbc2c73fa44a" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_246f3f1d-ec0f-4fe6-897e-0518ee8d5eb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_d1256865-6b6d-420b-b3ea-25d7fb4fcf76" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_aab752e6-bd51-45a6-ae43-64fe0d91b74a" xlink:to="loc_srt_LitigationCaseAxis_d1256865-6b6d-420b-b3ea-25d7fb4fcf76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_abcb05ce-c41a-4e28-8252-ed9e3ea9809c" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseAxis_d1256865-6b6d-420b-b3ea-25d7fb4fcf76" xlink:to="loc_srt_LitigationCaseTypeDomain_abcb05ce-c41a-4e28-8252-ed9e3ea9809c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_SabatiniAndCarterVersusTelariaAndOthersMember_10436bed-820f-4c34-a7d7-0f1aaf92a2dd" xlink:href="rubi-20200630.xsd#rubi_SabatiniAndCarterVersusTelariaAndOthersMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_abcb05ce-c41a-4e28-8252-ed9e3ea9809c" xlink:to="loc_rubi_SabatiniAndCarterVersusTelariaAndOthersMember_10436bed-820f-4c34-a7d7-0f1aaf92a2dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_TheComplaintsVersusTelariaAndOthersMember_81b8f19d-39ac-4e18-b153-f101703b3cd3" xlink:href="rubi-20200630.xsd#rubi_TheComplaintsVersusTelariaAndOthersMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_abcb05ce-c41a-4e28-8252-ed9e3ea9809c" xlink:to="loc_rubi_TheComplaintsVersusTelariaAndOthersMember_81b8f19d-39ac-4e18-b153-f101703b3cd3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsTable_aab752e6-bd51-45a6-ae43-64fe0d91b74a" xlink:to="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_e4f49c05-a070-4279-b2d9-8495c7a8c1e0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_e4f49c05-a070-4279-b2d9-8495c7a8c1e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentAmount_8169addc-8a44-4ce7-84a3-8b133e9df935" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermPurchaseCommitmentAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentAmount_8169addc-8a44-4ce7-84a3-8b133e9df935" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermPurchaseCommitmentPeriod_ae10cb75-20de-4de7-9943-9beb9a330f79" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermPurchaseCommitmentPeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:to="loc_us-gaap_LongtermPurchaseCommitmentPeriod_ae10cb75-20de-4de7-9943-9beb9a330f79" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_9120b0f1-6cd4-4116-b223-d7fe9c44d474" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_9120b0f1-6cd4-4116-b223-d7fe9c44d474" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_LossContingencyActionsTakenByPlaintiffsRepresentativeNumber_9e54f23a-d5bb-4157-a06d-c33f60825639" xlink:href="rubi-20200630.xsd#rubi_LossContingencyActionsTakenByPlaintiffsRepresentativeNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:to="loc_rubi_LossContingencyActionsTakenByPlaintiffsRepresentativeNumber_9e54f23a-d5bb-4157-a06d-c33f60825639" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_LossContingencyActionsTakenByPlaintiffNumber_0b222fba-0a1f-4bf4-924f-838aca01ac3e" xlink:href="rubi-20200630.xsd#rubi_LossContingencyActionsTakenByPlaintiffNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_bca72c0a-18a5-423e-99ed-a91616a3cda9" xlink:to="loc_rubi_LossContingencyActionsTakenByPlaintiffNumber_0b222fba-0a1f-4bf4-924f-838aca01ac3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/LeaseObligations" xlink:type="simple" xlink:href="rubi-20200630.xsd#LeaseObligations"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/LeaseObligations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_6d957d33-b52b-4aec-8cdf-ebd2ef3d479e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_f7eda60c-2bf5-4cd7-85a1-c789c0ea8cba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6d957d33-b52b-4aec-8cdf-ebd2ef3d479e" xlink:to="loc_us-gaap_LesseeOperatingLeasesTextBlock_f7eda60c-2bf5-4cd7-85a1-c789c0ea8cba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/LeaseObligationsTables" xlink:type="simple" xlink:href="rubi-20200630.xsd#LeaseObligationsTables"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/LeaseObligationsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_969bc0ee-720f-438f-8ae3-ec0f3768e4c6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_a33eeb14-1ffa-4c31-82bd-3922a2106333" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_969bc0ee-720f-438f-8ae3-ec0f3768e4c6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_a33eeb14-1ffa-4c31-82bd-3922a2106333" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/LeaseObligationsNarrativeDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#LeaseObligationsNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/LeaseObligationsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_6ed80cba-d3a5-49fe-9e2a-1f89252274d7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_9120e738-bac7-4063-8ac7-595a00dcfd1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_6ed80cba-d3a5-49fe-9e2a-1f89252274d7" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_9120e738-bac7-4063-8ac7-595a00dcfd1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_dfa9316e-e75b-44f5-b059-85aead0574f5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_9120e738-bac7-4063-8ac7-595a00dcfd1f" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_dfa9316e-e75b-44f5-b059-85aead0574f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d70ffe51-3e19-4a92-a018-f33a8d452dd5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_dfa9316e-e75b-44f5-b059-85aead0574f5" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d70ffe51-3e19-4a92-a018-f33a8d452dd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DataCentersForCloudBasedServicesMember_2a29ee99-94e9-4288-9754-1ce0c4f252d5" xlink:href="rubi-20200630.xsd#rubi_DataCentersForCloudBasedServicesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_d70ffe51-3e19-4a92-a018-f33a8d452dd5" xlink:to="loc_rubi_DataCentersForCloudBasedServicesMember_2a29ee99-94e9-4288-9754-1ce0c4f252d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_9120e738-bac7-4063-8ac7-595a00dcfd1f" xlink:to="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense_a29d43ff-7afa-405a-81fe-18fd700fd93e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseExpense"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_OperatingLeaseExpense_a29d43ff-7afa-405a-81fe-18fd700fd93e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_ba96e073-083f-4312-a045-9ddb9d76c7ad" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_ShortTermLeaseCost_ba96e073-083f-4312-a045-9ddb9d76c7ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_60c96be9-1570-4c0c-bf32-498fbf5b9950" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableLeaseCost"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_VariableLeaseCost_60c96be9-1570-4c0c-bf32-498fbf5b9950" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_f09116a7-d1f0-4cdd-9b64-fa697c7389a7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCost"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_LeaseCost_f09116a7-d1f0-4cdd-9b64-fa697c7389a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_0c2426b0-17d5-4204-9a5d-d1b39f4b6426" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubleaseIncome"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_SubleaseIncome_0c2426b0-17d5-4204-9a5d-d1b39f4b6426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_18ce2757-75c1-4628-a157-0f005158c712" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_18ce2757-75c1-4628-a157-0f005158c712" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_2cfe242e-6270-4da0-804c-5c029639257a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_2cfe242e-6270-4da0-804c-5c029639257a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseLeaseNotYetCommencedTermOfContract1_3b87e729-63a7-4c52-a05c-8d9630a29461" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LessorOperatingLeaseLeaseNotYetCommencedTermOfContract1"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_2224ec0b-0080-407f-9c16-6e20bc805696" xlink:to="loc_us-gaap_LessorOperatingLeaseLeaseNotYetCommencedTermOfContract1_3b87e729-63a7-4c52-a05c-8d9630a29461" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/LeaseObligationsScheduleofLeaseLiabilityMaturitiesDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#LeaseObligationsScheduleofLeaseLiabilityMaturitiesDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/LeaseObligationsScheduleofLeaseLiabilityMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_899c2e28-d640-4ace-b5b0-06a60b931f72" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_899c2e28-d640-4ace-b5b0-06a60b931f72" xlink:to="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d7ace533-1b28-45c2-9604-e0f1cdaa0c95" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d7ace533-1b28-45c2-9604-e0f1cdaa0c95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_a021c72f-a738-46b2-bca6-c84a102d7a75" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_a021c72f-a738-46b2-bca6-c84a102d7a75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_ec4af01b-9e6e-4549-864c-ff77f307d1d1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_ec4af01b-9e6e-4549-864c-ff77f307d1d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_51ccdf0e-bbbb-4003-924e-dbaf1092430d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_51ccdf0e-bbbb-4003-924e-dbaf1092430d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_164ad812-cccf-4a59-9666-77dadc594a07" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_164ad812-cccf-4a59-9666-77dadc594a07" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour_57973456-2546-4364-999c-8e672e998307" xlink:href="rubi-20200630.xsd#rubi_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_rubi_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour_57973456-2546-4364-999c-8e672e998307" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1841fe3e-2788-4e29-9f82-9e4679556635" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1841fe3e-2788-4e29-9f82-9e4679556635" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_631fdbc0-588a-49af-ac08-5c73576572a6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_631fdbc0-588a-49af-ac08-5c73576572a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_7653c11c-46e2-4c47-964e-6a0b73e4e88f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_23b02242-bab1-4eed-819f-00b2319ac0e7" xlink:to="loc_us-gaap_OperatingLeaseLiability_7653c11c-46e2-4c47-964e-6a0b73e4e88f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/LeaseObligationsScheduleofLeaseLiabilityMaturitiesDetails_1" xlink:type="simple" xlink:href="rubi-20200630.xsd#LeaseObligationsScheduleofLeaseLiabilityMaturitiesDetails_1"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/LeaseObligationsScheduleofLeaseLiabilityMaturitiesDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/Debt" xlink:type="simple" xlink:href="rubi-20200630.xsd#Debt"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/Debt" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_1e40976a-3092-4254-b43b-79218663ced1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_71740ce1-e72b-4a68-816d-13b9b34d9b86" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_1e40976a-3092-4254-b43b-79218663ced1" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_71740ce1-e72b-4a68-816d-13b9b34d9b86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.rubiconproject.com/role/DebtDetails" xlink:type="simple" xlink:href="rubi-20200630.xsd#DebtDetails"/>
  <link:presentationLink xlink:role="http://www.rubiconproject.com/role/DebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_5a2a6901-dd95-4046-9976-157d67c77a3e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_5a2a6901-dd95-4046-9976-157d67c77a3e" xlink:to="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1e86b464-21dc-42bc-ab85-94b212f3b86f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_us-gaap_CreditFacilityAxis_1e86b464-21dc-42bc-ab85-94b212f3b86f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_cf53f4b0-e299-4dbc-9afd-35b1412b11bc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_1e86b464-21dc-42bc-ab85-94b212f3b86f" xlink:to="loc_us-gaap_CreditFacilityDomain_cf53f4b0-e299-4dbc-9afd-35b1412b11bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_c00a38ad-cb5f-4a7c-9a82-8776bb9caafb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_cf53f4b0-e299-4dbc-9afd-35b1412b11bc" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_c00a38ad-cb5f-4a7c-9a82-8776bb9caafb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_184972de-f214-431e-a67a-eaf01a9ff2a5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_us-gaap_DebtInstrumentAxis_184972de-f214-431e-a67a-eaf01a9ff2a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_f457a3a5-1361-4cd7-b4c2-73ee0a41315a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_184972de-f214-431e-a67a-eaf01a9ff2a5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_f457a3a5-1361-4cd7-b4c2-73ee0a41315a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_LoanAgreementMember_a7736bbe-b25e-4653-abdd-c6720e9a2ac9" xlink:href="rubi-20200630.xsd#rubi_LoanAgreementMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_f457a3a5-1361-4cd7-b4c2-73ee0a41315a" xlink:to="loc_rubi_LoanAgreementMember_a7736bbe-b25e-4653-abdd-c6720e9a2ac9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtCovenantTermsAxis_7f795569-0461-48de-a5da-48744f9a6db3" xlink:href="rubi-20200630.xsd#rubi_DebtCovenantTermsAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_rubi_DebtCovenantTermsAxis_7f795569-0461-48de-a5da-48744f9a6db3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtCovenantTermsDomain_8ed10839-cd02-4224-90e5-4ac03e47b2c4" xlink:href="rubi-20200630.xsd#rubi_DebtCovenantTermsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtCovenantTermsAxis_7f795569-0461-48de-a5da-48744f9a6db3" xlink:to="loc_rubi_DebtCovenantTermsDomain_8ed10839-cd02-4224-90e5-4ac03e47b2c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_CovenantTermScenarioOneMember_3b8850fb-00e1-4f44-a09f-3c37288a6e5a" xlink:href="rubi-20200630.xsd#rubi_CovenantTermScenarioOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtCovenantTermsDomain_8ed10839-cd02-4224-90e5-4ac03e47b2c4" xlink:to="loc_rubi_CovenantTermScenarioOneMember_3b8850fb-00e1-4f44-a09f-3c37288a6e5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_CovenantTermScenarioTwoMember_feea5a76-1ab8-4222-b387-e21ef69510dc" xlink:href="rubi-20200630.xsd#rubi_CovenantTermScenarioTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtCovenantTermsDomain_8ed10839-cd02-4224-90e5-4ac03e47b2c4" xlink:to="loc_rubi_CovenantTermScenarioTwoMember_feea5a76-1ab8-4222-b387-e21ef69510dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodAxis_978a33fb-b880-44df-95ef-9eb136cc5bc8" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantComplianceStreamlinePeriodAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodAxis_978a33fb-b880-44df-95ef-9eb136cc5bc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodDomain_0c2d464c-33ea-48fa-bff6-9bbc273c0ff4" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantComplianceStreamlinePeriodDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodAxis_978a33fb-b880-44df-95ef-9eb136cc5bc8" xlink:to="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodDomain_0c2d464c-33ea-48fa-bff6-9bbc273c0ff4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_StreamlinePeriodAppliesMember_c8c8466d-013a-41f2-8c8e-110ef91dab13" xlink:href="rubi-20200630.xsd#rubi_StreamlinePeriodAppliesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodDomain_0c2d464c-33ea-48fa-bff6-9bbc273c0ff4" xlink:to="loc_rubi_StreamlinePeriodAppliesMember_c8c8466d-013a-41f2-8c8e-110ef91dab13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_StreamlinePeriodDoesNotApplyMember_450a0a6e-7bdd-4b70-be12-fb6734d6951e" xlink:href="rubi-20200630.xsd#rubi_StreamlinePeriodDoesNotApplyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantComplianceStreamlinePeriodDomain_0c2d464c-33ea-48fa-bff6-9bbc273c0ff4" xlink:to="loc_rubi_StreamlinePeriodDoesNotApplyMember_450a0a6e-7bdd-4b70-be12-fb6734d6951e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantCompliancePeriodAxis_8715a6d0-e357-4378-8b28-fcc405933d4a" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantCompliancePeriodAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_rubi_DebtInstrumentCovenantCompliancePeriodAxis_8715a6d0-e357-4378-8b28-fcc405933d4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantCompliancePeriodDomain_f5fb84d5-49c9-4afb-923a-4ffc444eed32" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantCompliancePeriodDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantCompliancePeriodAxis_8715a6d0-e357-4378-8b28-fcc405933d4a" xlink:to="loc_rubi_DebtInstrumentCovenantCompliancePeriodDomain_f5fb84d5-49c9-4afb-923a-4ffc444eed32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantCompliancePeriodOneMember_27f9479c-9851-4b3e-8e74-68d01bf9654b" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantCompliancePeriodOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantCompliancePeriodDomain_f5fb84d5-49c9-4afb-923a-4ffc444eed32" xlink:to="loc_rubi_DebtInstrumentCovenantCompliancePeriodOneMember_27f9479c-9851-4b3e-8e74-68d01bf9654b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_CovenantCompliancePeriodTwoMember_071a12f2-9a85-4ef9-b353-6dc85f072d5c" xlink:href="rubi-20200630.xsd#rubi_CovenantCompliancePeriodTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantCompliancePeriodDomain_f5fb84d5-49c9-4afb-923a-4ffc444eed32" xlink:to="loc_rubi_CovenantCompliancePeriodTwoMember_071a12f2-9a85-4ef9-b353-6dc85f072d5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_CovenantCompliancePeriodThreeMember_c66304be-7630-4c65-b813-d91a371bd8f6" xlink:href="rubi-20200630.xsd#rubi_CovenantCompliancePeriodThreeMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_rubi_DebtInstrumentCovenantCompliancePeriodDomain_f5fb84d5-49c9-4afb-923a-4ffc444eed32" xlink:to="loc_rubi_CovenantCompliancePeriodThreeMember_c66304be-7630-4c65-b813-d91a371bd8f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_a136a6eb-ea6f-41b0-b70b-dad98e7c916f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_us-gaap_VariableRateAxis_a136a6eb-ea6f-41b0-b70b-dad98e7c916f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_cebce762-bce2-4f5f-9122-ae728ec39f17" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_a136a6eb-ea6f-41b0-b70b-dad98e7c916f" xlink:to="loc_us-gaap_VariableRateDomain_cebce762-bce2-4f5f-9122-ae728ec39f17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_fc7282d8-928b-42ad-97c7-9479260dbd10" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_cebce762-bce2-4f5f-9122-ae728ec39f17" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_fc7282d8-928b-42ad-97c7-9479260dbd10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrimeRateMember_59460692-e527-49f0-8710-605fe0d9afcf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrimeRateMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_cebce762-bce2-4f5f-9122-ae728ec39f17" xlink:to="loc_us-gaap_PrimeRateMember_59460692-e527-49f0-8710-605fe0d9afcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_9215a614-4d40-4c60-9021-8eb2291b2554" xlink:to="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_41132133-bc7d-4ec9-a784-e97b530eba15" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_41132133-bc7d-4ec9-a784-e97b530eba15" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_de76de53-f80e-4cc7-bcef-cf1e01647570" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_de76de53-f80e-4cc7-bcef-cf1e01647570" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_8d0728c5-89b7-485f-b919-e8d9534e7177" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_8d0728c5-89b7-485f-b919-e8d9534e7177" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_f0ee279f-07c6-47d9-810b-1e6c97574eab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_f0ee279f-07c6-47d9-810b-1e6c97574eab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_210e7341-9c7d-4eba-a910-573ed55ae442" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_210e7341-9c7d-4eba-a910-573ed55ae442" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentAdjustedQuickRatioRequirementInStreamlinePeriod_41aed640-06d0-4a5a-ae26-14d8f6b5b077" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentAdjustedQuickRatioRequirementInStreamlinePeriod"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_rubi_DebtInstrumentAdjustedQuickRatioRequirementInStreamlinePeriod_41aed640-06d0-4a5a-ae26-14d8f6b5b077" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantComplianceAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationMaximum_48690805-7708-42ae-b15d-26d4bdabaf6b" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantComplianceAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationMaximum"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_rubi_DebtInstrumentCovenantComplianceAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationMaximum_48690805-7708-42ae-b15d-26d4bdabaf6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentAdjustedQuickRatio1_dc732223-840c-4df7-a200-21f4ffc152b7" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentAdjustedQuickRatio1"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_rubi_DebtInstrumentAdjustedQuickRatio1_dc732223-840c-4df7-a200-21f4ffc152b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantComplianceAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationMinimum_c9acdbf4-61da-441d-8178-dd33a2b0fb30" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantComplianceAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationMinimum"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_rubi_DebtInstrumentCovenantComplianceAdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationMinimum_c9acdbf4-61da-441d-8178-dd33a2b0fb30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_rubi_DebtInstrumentCovenantComplianceAdjustedEBITDAVarianceFromProjections_0d2768b2-40e2-40f8-88e2-ff85b6a45426" xlink:href="rubi-20200630.xsd#rubi_DebtInstrumentCovenantComplianceAdjustedEBITDAVarianceFromProjections"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_rubi_DebtInstrumentCovenantComplianceAdjustedEBITDAVarianceFromProjections_0d2768b2-40e2-40f8-88e2-ff85b6a45426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_60d85202-4fa2-457f-8eae-c83e8c7a712e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8f2e6d0a-5dd5-4c8e-8307-7802c4a37261" xlink:to="loc_us-gaap_LongTermDebt_60d85202-4fa2-457f-8eae-c83e8c7a712e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
