What are the most common VAST errors in CTV ads ?

Missing attributes like delivery/width, HTTP on HTTPS, bad durations, no Impression URLs – top killers per vastlint scans.

How do I validate VAST XML tags for free?

Grab vastlint: open-source, 108 rules across VAST versions. CI-ready, instant.

Will vastlint fix my ad revenue discrepancies?

It catches 90% of tag issues causing them. Pair with player tests for full wins.

📦 Open Source

10 VAST Errors Quietly Bleeding Your CTV Ad Dollars Dry

CTV platforms are exploding – Samsung TV Plus at 100 million users, Netflix ads at 70 million subs. Yet VAST errors silently wipe out 40% of your ad impressions and revenue. Time to plug the leaks.

theAIcatchup Apr 08, 2026 4 min read

Graph of top 10 VAST errors impacting CTV ad revenue and impressions

⚡ Key Takeaways

40% of VOD ads fail from fixable VAST errors – validate now. 𝕏
vastlint: free open-source tool with 108 rules, runs in microseconds. 𝕏
Top fixes: attributes, HTTPS URLs, durations, Impression elements – plug revenue leaks. 𝕏

Published by

theAIcatchup

Ship faster. Build smarter.

#CTV ads #CTV advertising #VAST XML #ad revenue #ad tech #ad tech validation #vastlint #video advertising

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Originally reported by dev.to

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