Audience Extension

Extend campaigns onto third-party sites, so advertisers find your audience across the internet

Achieve the Benefits of a Unified Platform


Buy Ads on the Same Platform You Sell Them

AppNexus enables you to execute a unified monetization strategy and provide audience extension to your advertising partners, all on the same platform.


Help Your Advertisers Find Their Audiences

The AppNexus platform offers an unparalleled match-rate for all cookies. By using AppNexus Audience Extension, you can leverage your first-party data to extend the reach of your buyers’ campaigns onto websites and apps they might otherwise have overlooked. Your advertisers will gain better brand exposure, and you’ll gain better monetization. It’s a win-win.

Properties - Safety

Serve Your Buyers' Ads with Confidence and Safely

Sophisticated automated alert systems, vigorous safeguard policies, and one of the largest inventory audit teams in the world all work to ensure that your buy-side partners’ campaigns are served only to relevant users on legitimate sites.

Build, Manage, Monetize: The Benefits of Audience Extension
AppNexus Publisher Summit Europe 2016
Build, Manage, Monetize: The Benefits of Audience Extension

Danny Spears, Programmatic Director, The Guardian presents on the benefits of Audience Extension at the AppNexus Publisher Summit Europe 2016.

Audience Extension Insights

Find the latest blogs, case studies, and more

White Paper
Demystifying Auction Dynamics for Digital Buyers & Sellers

At AppNexus, we frequently field questions about the impact of auction dynamics from both buyers and sellers. The great…

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Case Study
AppNexus + Ranker

Ranker Increases Video Revenues By 70% With Prebid

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Case Study
AppNexus + Microsoft + RTB House

Microsoft was one of the first publishers to go 100% programmatic across 50+ global markets. In partnership with…

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