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.


SpecificationRequirement
Maximum file size8 GB
Supported file formats.mp4, .flv, .mkv
Duration5-180 seconds
Frame rate24 frames per second (fps)
Display behaviorResponsive to the page


Third-party tag specifications

All third-party tags must support SSL-compliant requests.


StandardSupported version
VAST2.0, 3.0, 4.0
VPAID2.0
OMID1.0

Supported MIME types

Third-party tags can return resources using the following MIME types:

  • application/javascript
  • image/gif
  • image/jpeg
  • image/png
  • video/mp4
  • video/mpeg
  • video/ogg
  • video/webm


Video dimensions

Creative formatRecommended dimensionsSupported aspect ratiosAdditional information
Standard video1280 x 720 px16:9 (preferred), 16:10, 1:1, 4:3Creatives using a 1:1 or 4:3 aspect ratio may be letterboxed
Vertical video1080 x 1920 px9:16Vertical creatives are preferred for Vertical Video Discovery experiences.

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