Rated 5 out of 5 stars

per Raphael DDL el gen. 4, 2012 · enllaç permanent

I use it since FF 3.X, and i'm already at FF9, without any problems.

Epic when you work with Mobile Web. Of course it does not emulate the html rendered by the devices but the main use is to test the behavior of some application in lots of user-agents.

5*