Navigate without being distracted by totally blocking websites of your choice or add a time limit to a group of websites.
Navigate without being distracted by totally blocking websites of your choice or add a time limit to a group of websites or directly a custom time limit for each websites of your choice. You can also add a password to modify those settings and if you don't trust yourself, there's even a hardcore mode to avoid unblocking a website. Finally, you can export and import your settings to switch of browser without having to reset-up everything.