VMAP and DAAST Validation Just Landed in vastlint Core

If you work in video or audio ad serving, you have met VAST: the IAB XML template that tells a player what ad to show and where to fire tracking. But VAST rarely travels alone. It usually arrives wrapped in a schedule (VMAP) or shows up with an audio sibling (DAAST), and those two formats break in production just as often as VAST does, with far less tooling watching them.

. It detects the document type and returns every issue with a rule ID, severity, and the exact fix, the same way it does for VAST. vastlint is free and open source: