IAB Standards Leaderboard ad specs

IAB Standards Leaderboard ads are horizontal 728:90 still images, measured at 728×90 px, up to 0.2 MB per file, delivered as JPG, PNG, GIF, or HTML. They run in the Above the fold / Header placement on IAB Standards. Use these requirements to brief designers, validate uploads, and avoid creative rejections in IAB Standards's ad manager.

Visual specifications

Dimensions728 × 90 px
Aspect ratios728:90
Orientationlandscape
Max file size0.2 MB
File typesJPG, PNG, GIF, HTML

Notes & source

Core IAB fixed-size display unit. Maximum initial file load 200 KB for standard ads, 300 KB for rich media. HTML5 creative must be SSL-compliant.

Official source: https://iabtechlab.com/standards/ad-portfolio/

Frequently asked questions

What size are IAB Standards Leaderboard ads?
IAB Standards Leaderboard ads are 728×90 pixels with an aspect ratio of 728:90.
What aspect ratio does IAB Standards Leaderboard use?
IAB Standards Leaderboard supports 728:90 aspect ratio.
What is the maximum file size for IAB Standards Leaderboard?
Files for IAB Standards Leaderboard can be up to 0.2 MB.
Which file formats does IAB Standards Leaderboard accept?
IAB Standards Leaderboard accepts JPG, PNG, GIF, and HTML files.
Where does IAB Standards Leaderboard appear on IAB Standards?
IAB Standards Leaderboard ads appear in the Above the fold / Header placement on IAB Standards.
Where can I find the official IAB Standards Leaderboard documentation?
The official source for IAB Standards Leaderboard requirements is https://iabtechlab.com/standards/ad-portfolio/, linked from this page.
Are these IAB Standards Leaderboard 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.
Can I reuse the same creative for other IAB Standards placements?
Often partially — many IAB Standards 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.