What is the maximum file size for Criteo HTML5?

Files for Criteo HTML5 can be up to 0.15 MB.

How long can a Criteo HTML5 video be?

Criteo HTML5 videos can run up to 30 seconds.

Which file formats does Criteo HTML5 accept?

Criteo HTML5 accepts HTML, CSS, JS, GIF, PNG, JPG, and JPEG files.

What is the Criteo HTML5 ad format?

Criteo HTML5 is a image ad format that runs in the Open Web / Retail Media — Third-Party HTML5 Creative (Managed) placement on Criteo. This page documents its full creative requirements, sourced from Criteo's official ad documentation.

How does Criteo HTML5 compare to other Criteo ad formats?

Criteo HTML5 differs from other Criteo placements in its dimensions, its 30-second duration limit, and a 0.15MB file ceiling. Compare side-by-side from the Criteo publisher page on All Ad Specs.

Where can I find the official Criteo HTML5 documentation?

The official source for Criteo HTML5 requirements is https://www.criteo.com/digital-ad-formats/, linked from this page.

Are these Criteo HTML5 specs kept up to date?

Yes — every spec entry references Criteo's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.

Criteo HTML5 ad specs

Criteo HTML5 ads are still images, up to 0.15 MB per file, up to 30 seconds long, delivered as HTML, CSS, JS, GIF, PNG, JPG, or JPEG. They run in the Open Web / Retail Media — Third-Party HTML5 Creative (Managed) placement on Criteo. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Criteo's ad manager.

Max file size: 0.15 MB
Max duration: 30 sec
File types: HTML, CSS, JS, GIF, PNG, JPG, JPEG

Visual specifications

Orientation	any
Max file size	0.15 MB
File types	HTML, CSS, JS, GIF, PNG, JPG, JPEG

Video & audio

Max duration	30 sec

Notes & source

Banner max weight: 150 KB. A distinct border is required. Animation max length: 30 seconds. All banner assets must be .css, .js, .html, .gif, .png, .jpg or .jpeg files. No audio or video allowed in the banner. Image filenames must use lowercase letters, digits 0–9 and the underscore character. No uppercase characters in asset names. Devices: Desktop, Tablet, Mobile. Service type: Managed Service only.

Official source: https://www.criteo.com/digital-ad-formats/

Frequently asked questions

What is the maximum file size for Criteo HTML5?: Files for Criteo HTML5 can be up to 0.15 MB.
How long can a Criteo HTML5 video be?: Criteo HTML5 videos can run up to 30 seconds.
Which file formats does Criteo HTML5 accept?: Criteo HTML5 accepts HTML, CSS, JS, GIF, PNG, JPG, and JPEG files.
What is the Criteo HTML5 ad format?: Criteo HTML5 is a image ad format that runs in the Open Web / Retail Media — Third-Party HTML5 Creative (Managed) placement on Criteo. This page documents its full creative requirements, sourced from Criteo's official ad documentation.
Where does Criteo HTML5 appear on Criteo?: Criteo HTML5 ads appear in the Open Web / Retail Media — Third-Party HTML5 Creative (Managed) placement on Criteo.
How does Criteo HTML5 compare to other Criteo ad formats?: Criteo HTML5 differs from other Criteo placements in its dimensions, its 30-second duration limit, and a 0.15MB file ceiling. Compare side-by-side from the Criteo publisher page on All Ad Specs.
Where can I find the official Criteo HTML5 documentation?: The official source for Criteo HTML5 requirements is https://www.criteo.com/digital-ad-formats/, linked from this page.
Are these Criteo HTML5 specs kept up to date?: Yes — every spec entry references Criteo's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.