good for investment

Extensão bem simples, mas funcional. Bloqueia os sites que desejo.

Great, does what it is supposed to.

Lightweight extension , and it works perfectly.

This could be 5 stars if after you put it on pause, the site you have blocked would shut down when the timer ran out. As it is, you can navigate anywhere you want on the site you're on when the time runs out, as long as you don't leave that site or refresh the page. Not good for stopping rabbit holes unfortunately.

Thanks

very good

Very good for......blocking impulses!!! Nice and simple, no annoying messages as with other site blockers, just a clean simple set-up. I likey

При аварийном выключении Firefox высвечивается пустая страница дополнения, на которой ничего нет. У других дополнений такой проблемы нет.
С недавних пор вообще перестал работать - белая страница, переустановки не помогают.