just one word:good!

Extension works perfectly and it's a good option for parental guidance. Thank you.

Easy to use

best block any site which we you choose...
also have a pop up menu from where you can block site after clicking right button on that site link or button

Great extension, does what it says

it works . i was being tortured by constant redirects .most not connecting just flashing .no more

Does what the name says.

Excellent productivity tool, works exactly as intended.

Excellent add on and very useful.