We rounded up—and visualized—the best-performing sizes for display ads in 2024.
Whether you’re an advertiser who wants to check out the latest and greatest mobile and computer display ad sizes, or a publisher looking to make sure that the right placeholders are set up on their website, read on.
These are the most common ad formats for mobile devices and computers:
And here they are presented in a table:
| Device | Shape | Dimensions | Size |
|---|---|---|---|
| Mobile | Rectangular | 320 x 100 px | < 150 kb |
| Mobile | Rectangular | 320 x 50 px | < 150 kb |
| Mobile | Rectangular | 300 x 200 px | < 150 kb |
| Mobile | Rectangular | 300 x 100 px | < 150 kb |
| Mobile | Rectangular | 300 x 50 px | < 150 kb |
| Mobile | Square | 250 x 250 px | < 150 kb |
| Mobile | Square | 200 x 200 px | < 150 kb |
| Computer | Horizontal | 970 x 90 px | < 150 kb |
| Computer | Horizontal | 728 x 90 px | < 150 kb |
| Computer | Horizontal | 468 x 60 px | < 150 kb |
| Computer | Vertical | 300 x 600 px | < 150 kb |
| Computer | Vertical | 160 x 600 px | < 150 kb |
| Computer | Vertical | 120 x 600 px | < 150 kb |
| Computer | Rectangular | 336 x 280 px | < 150 kb |
| Computer | Rectangular | 300 x 250 px | < 150 kb |
Ads come in all shapes and forms. However, as you can see from the table above, all your ads must have a size of less than 150 kb.
This is because Google Ads currently has a file size limit of 150 kb for image and HTML5 ads. You can find more information about this limit here.
Display Ad Sizes for Mobile Devices
The most common display ad sizes for mobile devices are:
- Rectangular
- 320 x 100 px
- 320 x 50 px
- 300 x 200 px
- 300 x 100 px
- 300 x 50 px
- Square
- 250 x 250 px
- 200 x 200 px
Scroll down to see each of them in action.
320 x 100 (Large Mobile Banner)
320 x 50 (Mobile Leaderboard)
300 x 200
300 x 100
300 x 50
250 x 250 (Square)
200 x 200 (Small Square)
Display Ad Sizes for Computers
The most common display ad sizes for computers, desktop or laptop, are:
- Horizontal
- 970 x 90 px
- 728 x 90 px
- 468 x 60 px
- Vertical
- 300 x 600 px
- 160 x 600 px
- 120 x 600 px
- Rectangular
- 336 x 280 px
- 300 x 250 px
Scroll down to see each of them in action.
970 x 90 (Large Leaderboard)
728 x 90 (Leaderboard)
468 x 60 (Main Banner)
300 x 600 (Half Page)
160 x 600 (Wide Skyscraper)
120 x 600 (Skyscraper)
336 x 280 (Large Rectangle)
300 x 250 (Medium Rectangle)
Which Display Ad Sizes Perform the Best?
According to Google, the following display ad sizes perform the best: the 300 x 250 medium rectangle, the 336 x 280 large rectangle, the 728 x 90 leaderboard, the 300 x 600 half-page, and the 320 x 100 large mobile banner. (All sizes are in pixels.)
For you as an advertiser, this means you should consider these ad sizes for your campaigns. Considering that 51.4% of internet traffic came from mobile devices in 2021, you should use as many mobile-friendly ad sizes as possible.
For you as a publisher, this means that you should make sure that there are enough placeholders for these top-performing ad sizes on your pages so that advertisers can bid for ads on them and increase your revenue.