The fully responsive Interstitial is a full page ad displayed on mobile devices vertically. The Interstitial is triggered in between a page load and shown to the end user, the full screen displays the ad. The format is fully Google compliant because it features a ‘Close ad’ option at the top right of the ad. The full page ad still allows the very top section and sides of the publishers mobile site to be seen by the end user, so that the user knows the publishers site is beneath the ad and they can close the ad and return to view the publisher’s content.