An essential app! Rated 5 out of 5 stars

My new favorite productivity extension!
From the website:
You can specify up to six sets of sites to block, with different times and days for each set. You can block sites within fixed time periods (e.g., between 9am and 5pm), after a time limit (e.g., 10 minutes in every hour), or with a combination of time periods and time limit (e.g., 10 minutes in every hour between 9am and 5pm). You can also set a password for access to the extension options, just to slow you down in moments of weakness!

It helps remind me that I need to stay on task, but it's easy to disable if my schedule changes (unless you don't want it to be - you can make it nearly impossible to disable).

This review is for a previous version of the add-on (