Yahoo Advertising ad specs

Yahoo Advertising supports 35 documented ad formats across the Portal & Display Network category. Browse the full list of placements, dimensions, file size limits, and creative requirements for advertising on Yahoo Advertising. Premium, native, display, video, audio and DOOH ad formats served across Yahoo's owned-and-operated properties (Yahoo Homepage, Mail, News, Sports, Finance, AOL) and the Yahoo Native Network and Yahoo DSP — including Edge-2-Edge premium units (Horizon, Lighthouse, Spotlight, Vista, Horizon XL), Partner Feature Frame, YBar, IAB-standard display banners, native stream, vertical and AOL Mail/Homepage placements, pre-roll/mid-roll/CTV video, programmatic audio and outdoor digital displays.

Frequently asked questions

What is Yahoo Advertising?
Yahoo Advertising is a Portal & Display Network platform that supports 35 documented ad formats on All Ad Specs.
How many ad formats does Yahoo Advertising support?
Yahoo Advertising currently has 35 documented ad formats in this directory, each with full dimensions, file size limits, and codec requirements.
What kind of platform is Yahoo Advertising?
Yahoo Advertising is part of the Portal & Display Network category. See the format list above for placements where ads can run.
How does Yahoo Advertising compare to other publishers in this directory?
Each publisher has its own catalog of ad formats with different dimensions, file size limits, and creative rules. Compare Yahoo Advertising's 35 formats against any other publisher in the All Ad Specs directory by browsing their respective pages.
Where can I find Yahoo Advertising's official ad spec documentation?
Each format on this page links out to Yahoo Advertising's official source. You can also visit https://adspecs.yahooinc.com/ for general information.
Are Yahoo Advertising ad specs kept up to date?
Yes — every format page references the original publisher source so the dimensions, file size limits, and codec requirements stay in sync.