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VAST XML Load Time Detector

Scan your VAST Video to determine the XML load time.

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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XML Load Time

The time it took to download the XML document.

Why do we test it?

Servers that are under load or mis-configured may send the XML file in multiple parts, which results in additional download time. The faster the XML document is loaded, the faster the video can play.