Use Standard Sizes For Your Web Ads
In the early days, banner ads were the standard ad unit across the Web, with a size of 468X60 pixels. Over time, standard ad sizes changed. (Anyone remember microbuttons?) Nowadays, with average higher screen resolutions and larger monitors, ad units are larger than ever. Where there was once banner ads, now Leaderboard ads (728 x 90 pixels) reside.
So who sets these standards, and if these standard ad sizes change from time to time, where can they be found?
The Interactive Advertising Bureau (IAB) is an association dedicated to helping online, Interactive broadcasting, email, wireless and Interactive television media companies increase their revenues.
IAB Ad Unit Guidelines are intended to create a set of standard ad sizes for interactive marketing and advertising. Almost all marketers and publishers use these standards when buying and selling advertising. In addition to banner sizes, they also list guidelines for email, pop-up and pop-under, and rich media advertising.
As an advertiser, these standards make it easier to offer similar creatives across different publishers. As a publisher, these standards in mind when determining your advertising opportunities.
While the standard banner and leaderboard ads will remain popular, ad sizes will continue to evolve. Who knows? Maybe the microbutton will even make a comeback!
Standard Ad Sizes (in pixels):
Rectangular/pop-up ads
Medium Rectangle: 300 by 250
Square Pop-Up: 250 square
Vertical Rectangle: 240 by 400
Large Rectangle: 336 by 280
Rectangle: 180 by 150
Banner/button ads
Full Banner: 468 by 60
Half Banner: 234 by 60
Micro Button: 80 by 15
Micro Bar: 88 by 31
Button 1: 120 by 90
Button 2: 120 by 60
Vertical Banner: 120 by 240
Square Button: 125 square
Leaderboard: 728 by 90
Skyscraper ads
Wide Skyscraper: 160 by 600
Skyscraper: 120 by 600
Half Page Ad: 300 by 600
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