Firebug can make Gmail slow

[gibsonf1]

http://mail.google.com/support/bin/answer.py?answer=77355

[altay]

That's the only downside of Firebug -- a memory leak. It's worst on sites with periodic ajax requests, like Gmail.

In general, it's best to leave Firebug disabled by default, and only enable it for specific urls when you need to use it.

[ivankirigin → altay]

I noted recently that gmail puts a big red banner on top of the page warning about firebug. I just disabled it for gmail.

[kajecounterhack]

who keeps firebug on all the time?

I only use it when I'm actually coding something...