January 26th, 2010
As a website developer, Firebug is the most useful add-on. A lot of things you can do with it such as
Inspect and edit HTML
Tweak CSS
Visualize CSS
Monitor your network activity to see how many files loaded
Debug and profile javascript
Quickly find errors
Explore the dom
Execute JavaScript on the fly
Logging for JavaScript
and more
Let me show how to install Firebug [...]
