Firebug is one of those must haves if you are a web developer. It, along with many other Firefox extensions, is what made me switch from Internet Explorer. The plug-in I will talk about today is Firebug. You can download it from getfirebug.com and you will immediately fall in love. Out of the box, Firebug contains many useful “tabs” called Console, HTML, CSS, Script, DOM, and Net. In this article, I’ll detail the true power of each of these tabs.