Meta ad.size Detector

Upload Your HTML5 Ad to check if the meta tag ad.size is present.

Check 42+ ad quality tests for ad performance — validate against IAB and Google HTML5 ad guidelines


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GroupM using AdValify.io to validate ads
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Epsilon using AdValify.io to validate ads
Hogarth using AdValify.io to validate ads
Leaf Group using AdValify.io to validate ads