Efficiently - Project by John Wiseman
What is it?
Efficiently is a Google Chrome extension aimed at making you more productive or efficient.
The basic function of the extension is to allow you to add a website to a blacklist of websites. If you then navigate to this website intentionally or unintentionally (out of habbit), Efficiently will close the tab and notifiy you of this forbidden website!
You can install Efficiently by visiting the Chrome Web store here.