StopSite helps you stay focused when you need to get work done. š All features are free and can be used an unlimited number of times š Easy block Enter the URL of any website that you want to block. Or click on this extension to block the website you are currently on. ā±ļø Flexible scheduling Automatically turn blocks on or off every day based on a schedule you create. Without a schedule, blocks always stay on. Unlock your productivity now with StopSite.