The Trade Desk Expandable — 728×90 → 728×270 (Down) ad specs

The Trade Desk Expandable — 728×90 → 728×270 (Down) ads are horizontal 728:90 still images, measured at 728×90 px, delivered as HTML or JS. They run in the Expandable / Rich Media placement on The Trade Desk. Use these requirements to brief designers, validate uploads, and avoid creative rejections in The Trade Desk's ad manager.

Visual specifications

Dimensions728 × 90 px
Aspect ratios728:90
Orientationlandscape
File typesHTML, JS

Notes & source

Uploaded as third-party tags. Expansion direction declared on upload.

Official source: https://www.thetradedesk.com/assets/global/documents/Creative_Specifications-en.pdf

Frequently asked questions

What size are The Trade Desk Expandable — 728×90 → 728×270 (Down) ads?
The Trade Desk Expandable — 728×90 → 728×270 (Down) ads are 728×90 pixels with an aspect ratio of 728:90.
What aspect ratio does The Trade Desk Expandable — 728×90 → 728×270 (Down) use?
The Trade Desk Expandable — 728×90 → 728×270 (Down) supports 728:90 aspect ratio.
Which file formats does The Trade Desk Expandable — 728×90 → 728×270 (Down) accept?
The Trade Desk Expandable — 728×90 → 728×270 (Down) accepts HTML and JS files.
What is the The Trade Desk Expandable — 728×90 → 728×270 (Down) ad format?
The Trade Desk Expandable — 728×90 → 728×270 (Down) is a image ad format that runs in the Expandable / Rich Media placement on The Trade Desk. This page documents its full creative requirements, sourced from The Trade Desk's official ad documentation.
Where does The Trade Desk Expandable — 728×90 → 728×270 (Down) appear on The Trade Desk?
The Trade Desk Expandable — 728×90 → 728×270 (Down) ads appear in the Expandable / Rich Media placement on The Trade Desk.
How does The Trade Desk Expandable — 728×90 → 728×270 (Down) compare to other The Trade Desk ad formats?
The Trade Desk Expandable — 728×90 → 728×270 (Down) differs from other The Trade Desk placements in its 728×90px canvas. Compare side-by-side from the The Trade Desk publisher page on All Ad Specs.
Where can I find the official The Trade Desk Expandable — 728×90 → 728×270 (Down) documentation?
The official source for The Trade Desk Expandable — 728×90 → 728×270 (Down) requirements is https://www.thetradedesk.com/assets/global/documents/Creative_Specifications-en.pdf, linked from this page.
Are these The Trade Desk Expandable — 728×90 → 728×270 (Down) specs kept up to date?
Yes — every spec entry references The Trade Desk's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.