and nothing stands still"
Ads Monitor service continuously tracks AdSense ads displayed on your site and timely informs you of potential revenue affecting issues.
AdSense publishers subscribe to Ads Monitor tracking when:
Ads Monitor agent periodically visits your site as a regular user from a desktop or a mobile device and captures displayed ads. The service analyses the ads and reports to you in a convenient daily or weekly email digest. On the Ads Monitor site you can review the ads for any time period and perform more complex ads analysis.