Rated 5 out of 5 stars

per CoffeeCup el jul. 11, 2011 ·

Now work perfectly fine. I use it to block the thing I don't want to see, especially the site I don't want anyone to surf using my computer. Open it and meet the completely blank page, what's left is the logo!

This review is for a previous version of the add-on (1.1.1.1-signed).