Betygsatt 5 utav 5 stjärnor

av Dave G den april 3, 2008 ·

Once came bundled with Firefox itself, now spun-off into its own extension. If you're a developer of anything remotely web-related, get this. It's the #1 tool for all of your debugging needs.

Denna recension är för en tidigare version av tillägget (2.0.0).