Waardering 5 van 5 sterren

door Dave G op apr 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.

Deze beoordeling betreft een eerdere versie van de add-on (2.0.0).