Bauer Media Outdoor HTML5 Dynamic Creative (BroadSign) ad specs

Bauer Media Outdoor HTML5 Dynamic Creative (BroadSign) ads are HTML5 creatives, delivered as ZIP. They run in the Digital screens (BroadSign Player) · HTML5 and dynamic (DCO) creative placement on Bauer Media Outdoor.

Test a creative

Visual

File types: ZIP

Notes & source

Runs in the BroadSign Player’s embedded (older, fixed-version) Chromium: keep every animation and video paused until the player calls the global BroadSignPlay()
Never call it yourself
Use relative paths
No iframes, WebAssembly, video autoplay, CSS @layer (so not Tailwind v4) or @container
Avoid third-party libraries and web CMP SDKs (they need extra testing and their tracking does not work on screens)
Supply a static fallback
For DCO, a content matrix, scenario description and test-parameter guide
Custom Proof of Play must fire within 3 seconds of BroadSignPlay()
UK Adshel Live and Billboard Live use the Dynamo system: a core bundle (HTML, CSS, JS, static assets, with a base64 JPEG fallback at 1080×1920) delivered to Bauer, plus data files on your FTP served on each panel at http://localhost:8080/livedata/{campaignName}/
Deadlines differ by page: the HTML specification says 10 working days (5 for certified vendors)
The content-supply and dynamic pages say 3 weeks of testing
Dynamic builds by Bauer start from £1,500
Questions: liveservices-uk@bauermediaoutdoor.com
The dynamic-campaign page lists 25 or 30 fps and a 10-second creative
The HTML specification gives 25 fps for video

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