PUBLIC MARKS from Hiéroglyphe with tag firefox

XRAY is a bookmarklet for Safari, Firefox, Camino or Mozilla. Use it to see the box model for any element.

YSlow analyzes web pages and tells you why they're slow based on the rules for high performance web sites. YSlow is a Firefox add-on integrated with the popular Firebug web development tool.

A Firefox extension that makes web development fun again

What if you could say goodbye to alert and not-so-useful logger scripts and have a real debugging API to debug Javascript. While it hasn’t made it to the public yet, the next version of Joe Hewitt’s Firebug will finally give us an easy to use, full-featured debugging environment for Javascript. Fortunately, I’ve had the pleasure of being able to test the new version of Firebug and this post will outline some of what you can expect.

Whether you’ve forgotten the name of a function or the property of a cascading style sheet - handy cheat sheets deliver the information you are looking for - immediately.

This document will summarize the level of support for web standards and maturing technologies in popular web browsers. It covers the Internet Explorer, Firefox, and Opera web browsers, with focus on the HTML, CSS, DOM, and ECMAScript technologies.

Firefox Tweaks, Extensions and Optimizations

There is a Firefox extension called Selenium IDE made by the folks over at OpenQA.org. It is a very easy to use and powerful tool for controlling, automating or testing web sites.