Validate VAST 2.0-4.2 video ad tags. Check MediaFile URLs, impression pixels, tracking events, and companion ads with deep scan analysis.
Validate Your VAST Tag NowDeep validation for video advertising standards
Validate against VAST 2.0, 3.0, and 4.0 specifications. Detect version mismatches and compliance issues instantly.
Check all MediaFile URLs for accessibility, proper format, MIME type compatibility, and delivery validation.
Validate all impression tracking pixels for correct URLs, SSL compliance, and macro insertion accuracy.
Analyze all tracking events (impression, start, midpoint, complete) and verify their configuration.
Deep analysis of companion ad configurations, resource URLs, and compatibility with display standards.
Get comprehensive insights into VAST structure, potential issues, and optimization recommendations.
Simple three-step validation process
Enter your VAST XML or tag URL. Our validator accepts both direct XML and VAST wrapper URLs.
We analyze your tag against VAST standards, check all URLs, validate pixels, and inspect tracking configuration.
Get detailed insights with risk scoring, compliance status, and recommendations to fix any issues.
Start validating video ads for compliance and performance now. It's free.
Validate Your VAST Tag Now