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VAST HTTP Code Detector

Scan your VAST Video to determine the HTTP response code.

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

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XML HTTP Code

The HTTP status code when fetching the VAST URL. A status 200 means everything's fine.

Why do we test it?

This tells the video player if the XML document was received correctly. That doesn't necessarily mean a video ad is available — think about geotargeting or frequency capping. Campaigns that are no longer active may return a 404.