From the My Ads screen, preview the ad by clicking Go to Ad Preview.
Ad Preview opens the ad in a new tab and simulates how the ad will appear.
Ad Preview shows the ad ID, campaign IDs for any campaigns linked to the ad, and IFrame use (HTML5 ads will always use IFrames). The Appears Secure tell you if the ad was labeled safe for SSL-only publishers.
Test the ad's functionality here. Try out any interactive elements or videos in the ad.
Check the click count by clicking the ad and then clicking Refresh Count. Your Clicks Since Yesterday count should reflect your click.