Level: Introductory

Sami Salkosuo (sami.salkosuo@fi.ibm.com), Software Architect, IBM　

06 May 2008

Why are your Web pages taking so long to load? Did you ever want to inspect or edit HTML while browsing? Tweak CSS instantly? In this article, learn to use Firebug, a free, open source extension for the Firefox browser that provides many useful developer features and tools. Using Firebug, you can monitor, edit, and debug live pages, including HTML, CSS, JavaScript code, and network traffic. Read on to learn how to speed up the tasks of debugging and tuning your Web and Ajax applications with Firebug.

Introduction

Firebug, an open source extension for the Mozilla Firefox browser, provides tools for you to monitor, edit, and debug any Web site's cascading styles sheets (CSS), HTML, document object model (DOM), and JavaScript. It includes a JavaScript console, logging API, and a useful Network Monitor. With Firebug you can easily debug and tune Web and Ajax applications.

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