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About image ads on the Display Network

The Display Network plays host to a huge variety of ad formats and sizes. Some sizes and formats perform better than others, and it's best to experiment with multiple ad types and messages. Keep mind, your ads are eligible to appear on mobile devices by default, so this article includes information about mobile Display ads as well.

Before you begin

Learn about mobile text ads on the Search and Display Networks and about other kinds of mobile ads.

Interstitial image ads

These are full-screen ads that tend to have higher clickthrough rates than banner ads, but may have a higher CPC. These appear as someone transitions between screens or pages in an app.

  • Sizes for mobile phones: 300 x 250, 320 x 480, and 480 x 320.
  • Sizes for tablets: 1024 x 768 and 768 x 1024.

Banner image ads

Banner ads appear as a small strip or “banner” across the top of an app page or screen. They’re the most commonly used ad format for mobile. You can upload double-sized images (for example, a 640 x 100 image for a 320 x 50 ad slot) for high-resolution display devices. We’ll auto-adjust the image based on the device’s pixel density.

  • Sizes for mobile phones and tablets: 320 x 50, 468 x 60, 728 x 90, and 300 x 250.


By default your ads will show both as banners and interstitials. If you want to only run interstitials, go to the Display Network tab in AdWords and click + Exclusion under “Campaign exclusions.” Select “GMob mobile app non-interstitial” to exclude banner ads from your mobile app campaign.

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