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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 — validate against IAB VAST ad guidelines
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 Campaigns that are no longer active may return a 404.