Standard Banner Sizes - IAB Ad Unit Guidelines

Standard Ad Banner SizesJust to make things easier for all of us, we are posting a quick reference to standard ad unit sizes. We are asked quite frequently about this and of course since a picture is worth a thousand words it will be much easier to refer our clients to this than to find a new website to link to each time.

The following standard ad dimendions have been obtained from the IAB.net website.

NOTE: All dimensions are in pixels.

Rectangles and Pop-Ups

 Recommended
Maximum
Initial
Download
Fileweight

Recommended
Animation
Length
(Seconds)

300 x 250 IMU - (Medium Rectangle)40k:15
250 x 250 IMU - (Square Pop-Up)40k:15
240 x 400 IMU - (Vertical Rectangle)40k:15
336 x 280 IMU - (Large Rectangle)40k:15
180 x 150 IMU - (Rectangle) 40k:15
300x100 IMU - (3:1 Rectangle)40k:15
720x300 IMU – (Pop-Under)40k:15

Banners and Buttons

468 x 60 IMU - (Full Banner)40k:15
234 x 60 IMU - (Half Banner)30k:15
88 x 31 IMU - (Micro Bar)10k:15
120 x 90 IMU - (Button 1)20k:15
120 x 60 IMU - (Button 2)20k:15
120 x 240 IMU - (Vertical Banner)30k:15
125 x 125 IMU - (Square Button)30k:15
728 x 90 IMU - (Leaderboard)40k:15

Skyscrapers

160 x 600 IMU - (Wide Skyscraper)40k:15
120 x 600 IMU - (Skyscraper)40k:15
300 x 600 IMU - (Half Page Ad)40k:15

Thanks to compexplorer.com for the nice ad graphic.

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