Review for YesScript by n1rolf
Rated 2 out of 5 stars
It really needs some kind of wildcharacter because for example yahoo mail page can have hundreds of servers (http://us.mc***.mail.yahoo.com) and you would have to block each one by hand. Otherwise it's a brilliant ideea.
This review is for a previous version of the add-on (1.7).To create your own collections, you must have a Mozilla Add-ons account.