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Creative Guidelines

Creative Specifications

When reviewing the creative types and their specifications for Offsite placements, always make sure to: 

  • Update the right format for each type of campaign 

  • Correctly implement the approved 3rd party trackers (optional) 

Media Type

Asset Requirements

3rd Party Trackers (Optional)

Image Creative

File Types:  

  • JPG 

  • PNG 

  • GIF (Maximum animation: 30s)

Maximum File Size: 500 KB

Supported Creative Sizes:

  1. Ad size: 300x250

  2. Ad size: 728x90

  3. Ad size: 160x600

  4. Ad size: 120x600

  5. Ad size: 180x150

  6. Ad size: 468x60

  7. Ad size: 234x60

  8. Ad size: 300x600

  9. Ad size: 336x280

  10. Ad size: 250x250

  11. Ad size: 200x200

  12. Ad size: 300x100

  13. Ad size: 320x50

  14. Ad size: 240x400

  15. Ad size: 970x250

  16. Ad size: 970x90

  17. Ad size: 320x480

  18. Ad size: 480x320

  19. Ad size: 320x568

  20. Ad size: 360x640

  21. Ad size: 640x360

  22. Ad size: 300x50

  23. Ad size: 320x100

  24. Ad size: 600x500

  25. Ad size: 768x1024

  26. Ad size: 1024x768

  27. Ad size: 120x240

  28. Ad size: 125x125

  29. Ad size: 300x1050

  30. Ad size: 360x300

  31. Ad size: 970x66

  32. Ad size: 500x500

  33. Ad size: 600x600

  34. Ad size: 100x600

  35. Ad size: 333x333

Impression Tracker (up to 10):

  • Image code

Click Tracker (1 per creative):

  • Secure Only (HTTPS) 

Video MP4

The following aspect ratios are accepted. We recommend implementing all 3 to maximize available inventory:

  • Horizontal

  • Vertical

  • Square


We accept MP4 files with a resolution of at least 720 pixels and minimum 2500kbps bit rate. Videos can be up to 30 seconds.

Criteo will generate multiple versions of the video file with various resolutions and bitrate to ensure maximum compatibility with users.

Impression Tracker (up to 10):

  • Image code


Click Tracker (1 per creative / line item):

  • Secure Only (HTTPS) 


3rd Party VAST Trackers: (add up to 5) 

  • Pixel URL only 

  • Secure Only (HTTPS) 

  • VAST Event Types: Accept Invitation, Accept Invitation Linear, Close, Close Linear, Collapse, Complete, Creative View, Exit Fullscreen, Expand, First Quartile, Midpoint, Mute, Pause, Progress, Resume, Rewind, Skip, Start, Third Quartile

Video VAST

Video VAST creatives are accepted according to the technical specifications and policies outlined below:

  • VAST 2.0 or higher is supported.

  • OMID trackers are supported.

  • Maximum 30 seconds ad duration.

  • Either a Video MP4, a VPAID or a WRAPPER should be included in the VAST.

  • Video ads can render in any size of players and ratios.

  • MP4 files with a resolution of at least 720 pixels and minimum 2500kbps bit rate.

  • No more than one VAST wrapper that redirect to one VAST in-line is permitted.

  • Companion ads are not taken in consideration.

  • Ad Pods (sequence of Linear ads played back-to-back) are not supported.

  • All ad responses must be SSL-compliant (HTTPS). All servers involved require full SSL certification.

  • All creatives must be free of applications, such as ActiveX, viruses, exit pops, spyware, and malware.

  • Vast tag URL can support macro.

Our system will read to control and detect most of the attributes of your VAST tag.

Please control and fill out the information if necessary. This information (such as duration, mime-types available, and if your VAST contains VPAID and should only target this inventory) is used to adapt the bidding to your creative.

Impression Tracker (up to 10):

  • Image code

Click Tracker (1 per creative / line item):

  • Secure Only (HTTPS) 

3rd Party VAST Trackers: (add up to 5) 

  • Pixel URL only 

  • Secure Only (HTTPS) 

  • VAST Event Types: Accept Invitation, Accept Invitation Linear, Close, Close Linear, Collapse, Complete, Creative View, Exit Fullscreen, Expand, First Quartile, Midpoint, Mute, Pause, Progress, Resume, Rewind, Skip, Start, Third Quartile 

*VAST is a Video Ad Serving Template developed by the IAB and is used to connect the ad server and the video player. This connection allows for information to be shared about which ad to play, how the ad should appear, how long the ad should last, and whether shoppers are able to skip the ad.

Restricted Content

The creative must not contain any of the following content:  

  • Violence or hate 

  • Adult, lingerie or sexual products and services 

  • Drugs or drug paraphernalia 

  • Weapons and weapons accessories 

  • Tobacco or tobacco accessories

  • Gambling