评分5星，满分5星

由 Dave G 发表于 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.

这个评论是针对附加组件的一个早期版本的（2.0.0）。