PopUpOFF - Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Poper Blocker - Poper Blocker is an extension for Google Chrome that blocks the popups and popunders whenever you enter in a website or visit a page.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
Better Uptime - We call you when your website goes down