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A Pre-Roll advert is a promotional video that is played across desktop and mobile before the specific editorial content that the viewer chooses to watch.
Format MP4 |
Video Codec H.264 |
Frame Rate Min 25 FPS |
Video Frame Size 620x349 |
Aspect Ratio 4:3 or 16:9 - Video will be scaled to show in different size video players. Videos in 16:9 may appear letter boxed |
Duration 30 seconds maximum |
Sound Sound must be off and user initiated (this function is set by the video player for MP4 files) |
Max File Size Mobile Web Max. 2MB | Desktop Web Max. 5MB |
Video Target Bit Rate Mobile Web 500-700 kbps | Desktop Web 700-1500 kbps |
Audio Codec ACC |
Audo Sample Rates 44.1 kHz or 48kHz |
Accepted Video Standards
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Protocol Vast redirects must use the https:// protocol. |
All page requests will be via HTTPS. Any ad or creative making requests for tracking pixels, impression tracking, creative assets, or data must default to HTTPS (SSL).
We support The IAB UK and The Coalition for Better Ads initiatives to create a better ad supported user experience. All ad formats and creative must adhere to The Better Ads Standards.