Updated review from 3 stars to 5 stars:

They reworked the login system for this addon and now it stays logged in. With the previous login system you'd have to relogin like once a week and you couldn't save your login credentials either.

With that being fixed, I have no real complaints about this addon. Sometimes you get slowdowns but that has been the case with every VPN using any type of client I have tried. Addon or dedicated desktop app. Slowdowns happen.

Good

Funktioniert tadellos

Steady and strong connection. easy to use with friendly and well-designed extension for browsers.

Great speeds, very user friendly and easy to use. One of the VPN extensions out there

=)