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Hosted File Size Detector

Upload your HTML5 Ad to determine the hosted file size.

Check 39+ ad quality tests for ad performance — validate against IAB HTML5 ad guidelines

Go ahead, just
drop your ad !
HTML5 Zip
Ad Tag
VAST
Video
Image
Audio
smart_display settings_system_daydream panorama
Drop your HTML5 creatives here
ZIP Archive
Validate against:
Ad Spec: IAB Ad Guidelines
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Hosted File Size

The total size of all files the ad server has to host, after unpacking the zip archive.

Why do we test it?

With thousands of creatives to host, ad server vendors may apply a limit to the hosted file size.