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Mobile technical specifications and creatives

Ad Exchange buyers purchasing ad inventory displayed in mobile applications ("in-app ad inventory") and on mobile web content must follow the technical specifications specified below:

Technical specifications for in-app ads

Device type (Android or iOS only) Unit sizes Tag types File types Static image max file size
Smartphone 320x50
300x250
336x280
Interstitial
Image tag wrapped in anchor tag JPEG
PNG
GIF
40KB
JavaScript tag
MRAID
HTML5
Tablet 300x250
728x90
468x60
336x280
Interstitial
Image tag wrapped in anchor tag JPEG
PNG
GIF
150KB (2.2MB polite download)
JavaScript tag
MRAID
HTML5

Technical specifications for mobile web ads

Ads served to mobile devices on the web must comply with the same image ad policies as desktop ads.

Please note, per the Platforms Program Policies, use of local storage is not permitted.
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