IAB Standard Sizes

As online advertising continues to grow in popularity, it's important to understand the different ad formats and placements. The Interactive Advertising Bureau (IAB) has established a set of standard sizes for banner ads, which are used across most websites. Here's everything you need to know about IAB standard sizes.

What are IAB Standard Sizes?

IAB standard sizes are a set of guidelines created by the Interactive Advertising Bureau for banner ads. These sizes have become the industry standard for online advertising, allowing advertisers to create ads that fit seamlessly into websites.

Why are IAB Standard Sizes Important?

By following IAB standard sizes, advertisers can ensure that their ads will be displayed correctly on most websites. This saves time and money, as it eliminates the need to create custom ad sizes for every website. Additionally, using standard sizes makes it easier for websites to sell ad space and for advertisers to buy it.

What are the Most Common IAB Standard Sizes?

The most common IAB standard banner ad sizes include:

  • 728x90 leaderboard
  • 300x250 medium rectangle
  • 160x600 wide skyscraper
  • 300x600 half page ad
  • 320x50 mobile leaderboard

How Should I Choose the Right IAB Standard Size?

The size of your ad will depend on where you want it placed and what message you want to convey. For example, a leaderboard ad is great for showcasing a brand logo and tagline, while a medium rectangle is better for product images and descriptions.

Where Should I Place My IAB Standard Ad?

IAB standard ads can be placed in various locations throughout a website, such as above or below content, in sidebars or within text. The placement will depend on the website's layout and your campaign goals.

Are There Any Other Ad Formats Besides IAB Standard Sizes?

Yes, there are many other ad formats beyond IAB standard sizes, such as native ads, video ads, and interstitial ads. However, IAB standard sizes are still the most widely used banner ad format.

By following IAB standard sizes, you can ensure that your banner ads will be displayed correctly on most websites. Remember to choose the right size for your message and placement, and consider other ad formats to diversify your online advertising strategy.


  1. "The Art of Digital Marketing" by Ian Dodson
  2. "Online Advertising: Everything You Need to Know to Get Started" by Andy Crestodina
  3. "Digital Marketing Essentials" by Jeff Larson and Stuart Draper
  4. "The Complete Guide to Advertising on Facebook: Strategies That Convert" by Brian Meert
  5. "Marketing in the Age of Google, Revised and Updated: Your Online Strategy IS Your Business Strategy" by Vanessa Fox
Copyright © 2023 Affstuff.com . All rights reserved.