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VAST Version Detector

Scan your VAST Video to detect the VAST version.

Check 37+ ad quality tests for ad performance — validate against IAB VAST ad guidelines

Go ahead, just
copy/paste your tag !
HTML5 Zip
Ad Tag
VAST
Video
Image
Audio
Validate against:
Ad Spec: IAB Ad Guidelines
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VAST Version

The version of the VAST tag that is being served.

Why do we test it?

The video player on the publisher's side may only be capable of handling certain versions of the VAST specification. This test allows you to double-check if the correct version has been chosen.