What size are Mozilla Ads Top Banner ads?

Mozilla Ads Top Banner ads are 728×90 pixels with an aspect ratio of 728:90.

What aspect ratio does Mozilla Ads Top Banner use?

Mozilla Ads Top Banner supports 728:90 aspect ratio.

Which file formats does Mozilla Ads Top Banner accept?

Mozilla Ads Top Banner accepts JPG and PNG files.

Where does Mozilla Ads Top Banner appear on Mozilla Ads?

Mozilla Ads Top Banner ads appear in the Article Page placement on Mozilla Ads.

Where can I find the official Mozilla Ads Top Banner documentation?

The official source for Mozilla Ads Top Banner requirements is https://www.mozilla.org/en-US/advertising/solutions/, linked from this page.

Are these Mozilla Ads Top Banner specs kept up to date?

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

Can I reuse the same creative for other Mozilla Ads placements?

Often partially — many Mozilla Ads placements share aspect ratios but differ in safe zones, duration, or file size. Always cross-check the target placement's spec page before reusing creative.

Mozilla Ads Top Banner ad specs

Mozilla Ads Top Banner ads are horizontal 728:90 still images, measured at 728×90 px, delivered as JPG or PNG. They run in the Article Page placement on Mozilla Ads. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Mozilla Ads's ad manager.

Dimensions: 728×90 px
Aspect ratio: 728:90
File types: JPG, PNG

Visual specifications

Dimensions	728 × 90 px
Aspect ratios	728:90
Orientation	landscape
File types	JPG, PNG

Notes & source

IAB standard 728×90 banner at the top of MDN Web Docs article pages.

Official source: https://www.mozilla.org/en-US/advertising/solutions/

Frequently asked questions

What size are Mozilla Ads Top Banner ads?: Mozilla Ads Top Banner ads are 728×90 pixels with an aspect ratio of 728:90.
What aspect ratio does Mozilla Ads Top Banner use?: Mozilla Ads Top Banner supports 728:90 aspect ratio.
Which file formats does Mozilla Ads Top Banner accept?: Mozilla Ads Top Banner accepts JPG and PNG files.
Where does Mozilla Ads Top Banner appear on Mozilla Ads?: Mozilla Ads Top Banner ads appear in the Article Page placement on Mozilla Ads.
Where can I find the official Mozilla Ads Top Banner documentation?: The official source for Mozilla Ads Top Banner requirements is https://www.mozilla.org/en-US/advertising/solutions/, linked from this page.
Are these Mozilla Ads Top Banner specs kept up to date?: Yes — every spec entry references Mozilla Ads's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.
Can I reuse the same creative for other Mozilla Ads placements?: Often partially — many Mozilla Ads placements share aspect ratios but differ in safe zones, duration, or file size. Always cross-check the target placement's spec page before reusing creative.