The Best Performing Banner Sizes for AdSense

Published in: Google AdSense

The Google AdSense program offers banner ads in multiple sizes and format but if you are not too sure which of these banner size will perform best on your website, this report should help.

The graph below shows relative click rates (CTR) for all the standard banner ad sizes (relative to the classic “full banner”) and, as is obvious from the chart, the ad performance or click through rates are much better for larger ad units.

wider adsense formats

Best Performing Banner Ad Sizes

If you are using a medium 300x250 rectangle format on your site, it may be a good idea to do some split testing (for say a week) and then probably replace that unit with a large 336x280 rectangle. Similarly, try squeezing in a wide skyscraper in place of that 120x600 Skyscraper that you may be having on your site.

And while it is easy to include a 728x90 Leaderboard in almost every site design, make sure that it is not the first unit in your HTML source as it is not always the best performing unit.

Another interesting point here is that the 125x125 square button format, which is now quite popular among the blogger community, seems to attract lower clicks than even the 468x60 banner of the “geocities era” so your advertisers may not be feeling very happy about this.

The AdSense support site also says that the most effective banner sizes are the 336x280 Large Rectangle, the 300x250 Medium Rectangle, and the 160x600 Wide Skyscraper. “Wider ad formats tend to outperform their taller counterparts, due to their reader-friendly format. The wider ad format also lessens the likelihood of readers leaving the ad unit altogether.”

The above chart was shared in an online webinar by the AdSense optimization team and you can download the full report from Worth reading.

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Published in: Google AdSense

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Web Geek, Google Developer Expert
Amit Agarwal

Amit Agarwal is a Google Developer Expert in Google Workspace and Google Apps Script. He holds an engineering degree in Computer Science (I.I.T.) and is the first professional blogger in India. He is the developer of Mail Merge for Gmail and Document Studio. Read more on Lifehacker and YourStory

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