Supported ad sizes

Maximize ad performance by choosing top-performing ad sizes
This article talks about ad sizes for Google Ad Manager. It recommends using top-performing sizes to get the most out of your ad space.

Ad Manager supports a variety of ad sizes. To optimize performance, you may want to adhere to the top-performing ad sizes listed.

To help you choose ad sizes that best complement your pages, we've put together the following tables, along with some suggested guidelines for using custom sizes:

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Similar-sized ads and ad slot expansion

Occasionally, we substitute a text ad or similar-sized display ad to appear within the ad slot. When this happens, the size of the similar ad is modified (using advanced imaging techniques) if needed and then served in the ad slot.

The new ad size does not necessarily match the full width or height of the ad slot. You can control which creative sizes fill your ad slots using ad contraction.

Some ad slots expand automatically to the maximum width allowed on a device. Ad slot expansion currently applies to backfill display and out-stream video ad slots on mobile web. If needed, you can turn off ad slot expansion.


Top-performing ad sizes

Ad size Description
728x90 Also known as a "leaderboard". Tends to have more ad inventory available from advertisers, which can increase earnings when both text and image ads are turned on.

Performs well if placed above main content, and on forum sites.

Can also be used with tablet-optimized pages.
336x280 Also known as a "large rectangle". Tends to have more ad inventory available from advertisers, which can increase earnings when both text and image ads are turned on.

Performs well when embedded within text content or at the end of articles.
300x250 Also known as a "medium rectangle". Tends to have more ad inventory available from advertisers, which can increase earnings when both text and image ads are turned on.

Performs well when embedded within text content or at the end of articles.
300x50 Mobile-friendly web size also known as "mobile banner". It fits larger mobile phone screens at the top or bottom of the screen.
160x600 Also known as a "wide skyscraper". Tends to have more ad inventory available from advertisers, which can increase earnings when both text and image ads are turned on.

Best if used along sidebars of webpages.

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Other supported ad sizes

Ad size Description
1024x768 Tablet landscape full-screen ad. Used for mobile app interstitials.
970x250 High demand in preferred deals and private auctions.
970x90 Sometimes referred to as a "large leaderboard".

This size is ideal to showcase high-definition content such as videos, photos, animations, and applications.
768x1024 Tablet portrait full-screen ad. Used for mobile app interstitials.
480x320 Mobile landscape full-screen ad. Used for mobile app interstitials.
468x60 Also known as a "banner". This format can fit into smaller spaces that don't accommodate the 728x90 leaderboard.

The supply of available display ads for this ad size is generally limited though, which may lead to sub-optimal ad performance.

Can also be used with tablet-optimized pages.
320x480 Mobile portrait full-screen ad. Used for mobile app interstitials.
320x100 Mobile-driven ad format that provides twice the height of standard mobile banners.
320x50 Also known as the "mobile leaderboard". This format is a mobile-optimized banner.

These ads fill the width of a mobile phone screen (for example, iPhone, Android, BlackBerry 6 and so forth).
300x600 Sometimes referred to as a "half page". This format provides a larger space for advertisers to get their message across and can offer users rich engagement.

The 300x600 is one of the fastest growing sizes by impressions and is indicative of a trend where publishers are offering more visually impactful ad sizes that are preferred by brand advertisers.
300x100 Mobile-friendly web size
250x250 Also known as a "square", this format can fit into smaller spaces that don't accommodate larger rectangles.

The supply of available display ads for this ad size is generally limited though, which may lead to sub-optimal ad performance.
234x60 Also known as a "half banner". This format can fit into small spaces.

This size doesn't tend to perform as well as others due to its small size and limited supply of available display ads.
200x200 Also known as a "small square", this format can fit into smaller spaces that don't accommodate the larger rectangles.

The supply of available display ads for this ad size is generally limited though, which may lead to sub-optimal ad performance.
180x150 Also known as a "small rectangle", this format can fit into small spaces.

This size doesn't tend to perform as well as others due to its small size and limited supply of available display ads.
125x125 Also known as a "button", this format can fit into small spaces.

This size doesn't tend to perform as well as others due to its small size and limited supply of available display ads.
120x600 Also known as a "skyscraper", this format can fit into narrower spaces that don't accommodate the 160x600 wide skyscraper.

The supply of available display ads for this ad size is more limited though, which may lead to sub-optimal ad performance.
120x240 Also known as a "vertical banner", this format can fit into small spaces.

This size doesn't tend to perform as well as others due to its small size and limited supply of available display ads.
120x60 Also known as a "button", this format can fit into small spaces.
88x31 Also known as a "button", this format can fit into small spaces.
Interstitials Used for full screen ads. 

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Regional ad sizes

Ad size Description
980x120 Also known as a "panorama". Most popular size in Sweden and Finland. Can also be used as a substitute in Norway. Performs well when placed above main content.
980x90 Popular European size.
950x90 A top size in China.
930x180 Also known as a "top banner." Very popular size in Denmark. Performs well when placed above main content.
750x300 The third most popular format in Poland (17% of advertising campaigns) and constitutes main alternative for 750x200.
750x200 The most popular ad format in Poland used in 53% of advertising campaigns. Performs the best when is placed above or just below the menu of the website.
750x100 A very popular format in Poland performing well in both branding and direct response advertising campaigns.
580x400 Also known as a "netboard". Very popular size in Norway. Performs well when embedded within text content.
250x360 Also known as a "triple widescreen". Second most popular size in Sweden. Performs well when placed along webpage sidebars.
240x400 Also known as a "vertical rectangle". Most popular size in Russia.

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