C3T

Paste your tag

HTML5, MRAID, VAST, VAST URI, VMAP, or VMAP URI — the format is detected automatically as you type.

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No creative loaded yet.

Paste a tag in the Creative Tag tab, then hit Run in Ad Preview.

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Name Type Date

Stash is empty.

Save creatives here to keep them handy across sessions.

No preview run yet
Time Type Host URL

No requests captured yet.

Run a creative in Ad Preview to see everything it calls out to — pixels, beacons, and scripts included.

No VAST/VMAP tag loaded
This fires every declared tracking URL directly, ourselves — bypassing IMA entirely, so nothing is hidden inside a sandboxed frame. That also means it's a reachability check, not a playback simulation: URLs fire immediately rather than at the real quartile/impression moment, and macros like [CACHEBUSTING] are substituted with placeholder values, not real user data. "Reachable" means the request completed — some ad servers correctly respond with an empty 204, which is normal, not a failure. Cross-origin browser rules mean we can't read the exact HTTP status code, only whether the network request itself succeeded or failed outright (DNS/connection error, blocked request, etc). Works for pasted VAST/VMAP XML, or a VAST/VMAP URI we can fetch directly.
Status Category URL

Nothing to check yet.

Paste VAST or VMAP XML (or a URI) into the Creative Tag tab — its declared trackers will show up here.

No creative loaded
HTML5/MRAID creatives don't declare click tracking in a structured spec the way VAST does — it's just JavaScript baked into the creative. This scans the pasted source for the common conventions: a global clickTag/clickTag2 variable, an anchor tagged with id="clickTag", or a Google Studio/CM360 Enabler.exit() call. Some ad-builder frameworks compute the real click URL from macros at runtime instead of writing it anywhere as text — those won't show up here from the static source alone, but running the creative once in Ad Preview lets this also check common globals (like window.clickTag or window.runtime_clickTag) after the ad actually initializes, which catches many of those. If a creative uses something else entirely for click handling, this won't find it either way — there's no reliable way to detect arbitrary custom code without actually clicking it.
Status Type URL

No click tags found.

Paste an HTML5 or MRAID creative into the Creative Tag tab — any clickTag variables, clickTag-id anchors, or Enabler.exit() calls it contains will show up here.