Rated 5 out of 5 stars

Από τον/την lorahwenth στις Ιαν. 20, 2015 · μόνιμος σύνδεσμος

It gives us a big hand for testing. No more different browsers opened for same reason. It's enough to check the user agent of any of your installed browsers, import them to this extension and go for it only in Firefox.