Activate this option and all sites will be blocked except the ones in the list.
Enter site url and all blocked sites will be redirected to it.
Activate this options and blocked site will be closed immediately
When you block for example facebook.com , will blocked all subdomains, e.g. apps.facebook.com, ru-ru.facebook.com
For example if facebook.com is blocked, will be blocked all facebook.com frames in visited sites
If you block keys like ok, will be blocked facebook.com, ok.ru, book.com etc..
If you want to block specific page of site, e.g. https://apps.facebook.com/worldpokerclub you need to add key like this facebook.com/worldpokerclub (without http:// or https://)
var regex =
[a-z0-9],\d Read More
Allow in incognito' option in chrome extensions option page. See screenshot here: https://prnt.sc/j971t6