Twitch Homepage Headliner — Desktop ads are horizontal 9:7 still images, measured at 450×350 px, up to 0.15 MB per file, delivered as JPG or PNG. They run in the Desktop Homepage placement on Twitch. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Twitch's ad manager.
| Dimensions | 450 × 350 px |
|---|---|
| Aspect ratios | 9:7 |
| Orientation | landscape |
| Max file size | 0.15 MB |
| File types | JPG, PNG |
Desktop Headliner is assembled from three components: a Left graphic and a Right graphic (each 450×350, JPG/PNG with no transparency, ≤150 KB, no animation) plus a center background hex color code. All elements must sit within a 150 px safe zone. Site-served; approved 3P impression/click trackers accepted.
Official source: https://advertising.amazon.com/resources/ad-specs/twitch/homepage-headliner