Best Firefox Add-ons: Firebug

If you do any kind of web design and development, or are planning to get started, then you must install this add-on. It’s called Firebug, and it adds a wide range of functionalities to Firefox. Here is a list of things you’ll be able to do with the extension: Monitor and analyze network performance, to understand what elements might be slowing your website down.Inspect the HTML code by viewing the source of any page in real time, filtering specific elements and editing them if necessary.Inspect and edit CSS and Javascript as well.Test your pages to see if they contain errors, and debug them with the help of Firebug.Use the Firebug rulers and and boxes to analyze and optimize the layout on your pages. It’s worth a look, so check it out.