Revenue from AdSense depends on different types of ads as well as different formats of ads displayed. You can set an ad size as responsive or assign a fixed size to a specific ad. There are different formats of ads available, the sizes can also be customized as per your choice. However, to improve AdSense revenue, Google recommends using the ad size format as given below.
- Responsive Ads – will fill any ad unit and for available size on page.
- Fixed Size Ads like:
- 336 x 280 – Large Rectangle
- 300 x 250 – Rectangle
- 728 x 90 – leaderboard or floor ad
- 160 x 600 – Wide Skyscraper
Other Ad Formats supported by AdSense are Sticky and Native Ads. Floor ads come as sticky ads as they are visible throughout the page.
As for the Native Ads, they are of namely three different types by AdsSense, that are, In-article, In-feed, and Multiplex Native Ads.
The recommended ad sizes blend well with the content and cover good space on the page. A page showing multiple ads gets a high chance of clicks on the multiple ads.
Experts suggest to use responsive ads, as they work well with all devices and browsers. As more clicks come from mobile devices which often have varying size dimensions.
Another tip is to avoid custom ad sizes, as they may be unknown to many advertisers. Therefore making it is difficult to find a matching inventory for them to fit in, which may ultimately lower your ad revenue.