Warner Bros. Discovery MPU — 300x250 ads are 6:5 still images, measured at 300×250 px, up to 0.975 MB per file, up to 30 seconds long, delivered as JPG, PNG, GIF, HTML, or MP4. They run in the Eurosport / TNT Sports — Desktop / Tablet / Mobile Display placement on Warner Bros. Discovery.
| Dimensions | 300 × 250 px |
|---|---|
| Aspect ratios | 6:5 |
| Orientation | any |
| Max file size | 0.975 MB |
| File types | JPG, PNG, GIF, HTML, MP4 |
| Max duration | 30 sec |
|---|---|
| Video codec | H.264 |
Image MPU: JPG / PNG / GIF up to 975 KB. HTML5: 60 KB initial content + 1 MB polite-loaded content. Video MPU: MP4 (H.264) up to 3 MB, max duration 30 sec; requires a 600x500 background image (≤100 KB) with a 580x320 safezone for the video frame. 3rd-party tags accepted. See Google Ad Manager weight guidance: https://support.google.com/admanager/answer/7046799?hl=en
Official source: https://www.wbdadspecs.com/ad-spec/rectangle/