VAST-2.0-mediafile-https
<MediaFile> URL uses HTTP instead of HTTPS
InfoSecurityIAB VAST 2.0 §2.4.1VAST 2.0 and later (all versions)
Modern browsers and CTV devices enforce mixed-content policies that block plain HTTP resources loaded from an HTTPS page. Serving media over HTTP will cause silent failures in most modern environments. Upgrade to HTTPS.
How to fix
Replace http:// with https:// in the <MediaFile> URL.
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