Medium Rectangle - IAB

Medium Rectangle - IAB

Ad Dimension 

300 x 250

Max File Size - Non-Rich & Rich Media 
Initial Load

Static: 40K

HTML5: 200K

Additional Rich Media File Size
Polite Download

Rich Media: 300K

In-Page Video: 1.2MB

Accepted File Types

Third-Party tags from Edmunds' accepted vendors


Total length: 15 seconds;

Maximum number of loops: 3

In Unit Video

30 seconds max

Video & Animation Frame Rate

24 FPS max


Must be user initiated (on click: mute/un-mute)

Default state is muted


Not accepted


Not required

Linking Strategy

Clicks may direct consumer to the client's website

Click must spawn new tab or browser window

Clear/prominent call to action recommended

CPU Usage

Max Percentage: 20%

Serving and Tracking - Third Party

Third-Party tags from Edmunds' accepted vendors.

If Third-Party served native creative is requested, Edmunds will supply a design style template to follow per native specs.

Creative assets must not write cookies to the user's computer (including Local Shared Objects, i.e., Flash Cookies).

By delivering creative to Edmunds the client will be representing and warranting no cookies will be written by such creative assets.

SSL Compliance

All assets / creative elements comprising the ad being served--tags, images, tracking pixels, etc.--must be secure, i.e., be SSL (Secure Sockets Layer) compliant, make secure calls, and use secure URLs (https, protocol-relative URLs).

If a non-secure creative is served on the site, it can prompt a warning in the user's browser, cause ad serving ad problems, or cause the entire page to be blocked.

Submission Lead-Time

Minimum 5 business days prior to campaign launch