Creative specifications
Technical specifications for JWX Ad Server creatives
Use this reference to review the technical specifications for creatives delivered through the JWX Ad Server. Requirements and recommendations vary by creative type and ad source and cover uploaded media assets, third-party tags and returned resources, and standard and vertical video ads.
Media asset specifications
Use the following specifications for creatives uploaded as media assets.
| Specification | Requirement |
|---|---|
| Maximum file size | 8 GB |
| Supported file formats | .mp4, .flv, .mkv |
| Duration | 5-180 seconds |
| Frame rate | 24 frames per second (fps) |
| Display behavior | Responsive to the page |
Third-party tag specifications
All third-party tags must support SSL-compliant requests.
| Standard | Supported version |
|---|---|
| VAST | 2.0, 3.0, 4.0 |
| VPAID | 2.0 |
| OMID | 1.0 |
Supported MIME types
Third-party tags can return resources using the following MIME types:
application/javascriptimage/gifimage/jpegimage/pngvideo/mp4video/mpegvideo/oggvideo/webm
Video dimensions
| Creative format | Recommended dimensions | Supported aspect ratios | Additional information |
|---|---|---|---|
| Standard video | 1280 x 720 px | 16:9 (preferred), 16:10, 1:1, 4:3 | Creatives using a 1:1 or 4:3 aspect ratio may be letterboxed |
| Vertical video | 1080 x 1920 px | 9:16 | Vertical creatives are preferred for Vertical Video Discovery experiences. |
Updated about 14 hours ago
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