It is fast and no any overhead. I use it more than half year and I have tried other available extensions before. I can say that it blocks sites better than all other tools I have tested. Perfect for protecting children from any unwanted internet sites.

Thanks!

You have to enter every little website you want to visit into the "white list" because it will block everything else regardless of your requested settings.

exactly what i was looking for, good job!

The best ADDON every time Das beste addon was ich je gesehen habe Thank you Danke

Genial