Pre-loading your interstitial ads will allow you to avoid latency when the ad is displayed to the user. In the corrected example below, the user now clicks on a transitional button and an interstitial ad is shown immediately on action. Once the user closes the interstitial ad they will now be on the next loaded page.
Pre-loading the interstitial ad to trigger on action
To learn more about how to preload your interstitial ads, please follow the AdMob Interstitial Ad developer guidelines for apps developed for Android and iOS.
Implementing these ads in the right way is better for your users, advertisers and for you. AdMob policies are designed to create a positive user experience. For further tips on AdMob Interstitial Ads and Best Practices, check out our official best practices video.