What size are IAB Standards Content Recommendation ads?

IAB Standards Content Recommendation ads are 600×400 pixels with an aspect ratio of 3:2.

What aspect ratio does IAB Standards Content Recommendation use?

IAB Standards Content Recommendation supports 3:2 aspect ratio.

What is the maximum file size for IAB Standards Content Recommendation?

Files for IAB Standards Content Recommendation can be up to 1 MB.

Which file formats does IAB Standards Content Recommendation accept?

IAB Standards Content Recommendation accepts JPG and PNG files.

What are the copy limits for IAB Standards Content Recommendation?

IAB Standards Content Recommendation copy is limited to 70-character headlines and 150-character body text.

Where does IAB Standards Content Recommendation appear on IAB Standards?

IAB Standards Content Recommendation ads appear in the Below content / Recommendation widget placement on IAB Standards.

Where can I find the official IAB Standards Content Recommendation documentation?

The official source for IAB Standards Content Recommendation requirements is https://iabtechlab.com/standards/openrtb-native/, linked from this page.

Are these IAB Standards Content Recommendation specs kept up to date?

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

IAB Standards Content Recommendation ad specs

IAB Standards Content Recommendation ads are horizontal 3:2 still images, measured at 600×400 px, up to 1 MB per file, delivered as JPG or PNG. They run in the Below content / Recommendation widget placement on IAB Standards. Use these requirements to brief designers, validate uploads, and avoid creative rejections in IAB Standards's ad manager.

Dimensions: 600×400 px
Aspect ratio: 3:2
Max file size: 1 MB

Visual specifications

Dimensions	600 × 400 px
Aspect ratios	3:2
Orientation	landscape
Max file size	1 MB
File types	JPG, PNG

Copy limits

Headline	70 chars
Primary text	150 chars

Notes & source

Recommendation-style native unit typically rendered in a grid or list below article content. Follows OpenRTB Native Ads Specification 1.2. Thumbnail image recommended at 600×400. Must be clearly labeled as sponsored.

Official source: https://iabtechlab.com/standards/openrtb-native/

Frequently asked questions

What size are IAB Standards Content Recommendation ads?: IAB Standards Content Recommendation ads are 600×400 pixels with an aspect ratio of 3:2.
What aspect ratio does IAB Standards Content Recommendation use?: IAB Standards Content Recommendation supports 3:2 aspect ratio.
What is the maximum file size for IAB Standards Content Recommendation?: Files for IAB Standards Content Recommendation can be up to 1 MB.
Which file formats does IAB Standards Content Recommendation accept?: IAB Standards Content Recommendation accepts JPG and PNG files.
What are the copy limits for IAB Standards Content Recommendation?: IAB Standards Content Recommendation copy is limited to 70-character headlines and 150-character body text.
Where does IAB Standards Content Recommendation appear on IAB Standards?: IAB Standards Content Recommendation ads appear in the Below content / Recommendation widget placement on IAB Standards.
Where can I find the official IAB Standards Content Recommendation documentation?: The official source for IAB Standards Content Recommendation requirements is https://iabtechlab.com/standards/openrtb-native/, linked from this page.
Are these IAB Standards Content Recommendation specs kept up to date?: Yes — every spec entry references IAB Standards's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.