Block websites for a given time to help you focus on work/study. Using a 'browser 10 min then block 50 min' approach This addon uses the new WebExtension format so it's compatiable with Firefox 57+
What is FocusBlocker (New)?
FocusBlocker (New) is a light-weight Firefox add-on that allows you to block time-wasting websites and stay focused on real work or study. With flexible control and reminders, you can easily manage your browsing habits and increase productivity.
FocusBlocker is a light-weight add-on that blocks time-wasting websites to help you focus on real work. By clicking the icon, a selected list of websites will be blocked for a given time (say 30 min). Also, a soft reminder will pop-up when you browse those websites for too long. FocusBlocker can give you flexible control over when you want to block, which is superior than a schedule-based approach is you have a flexible working schedule.
FocusBlocker (New) is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install FocusBlocker (New) if you trust the publisher.
FocusBlocker (New) has earned a fairly good reputation and likely can be trusted.