Hacking Firefox: The secrets of about:config

Ever since its debut, Firefox has garnered a reputation for being an enormously customizable program, both through its add-on architecture and its internal settings. In fact, many of Firefox's settings aren't exposed through the Tools > Options menu; the only way to change them is to edit them manually. In this article, we'll explore some of the most useful Firefox settings that you can change on your own, and that aren't normally available through the program's graphical interface.

The closest analogy to how Firefox manages its internal settings is the Windows Registry. Each setting, or preference, is given a name and stored as a string (text), integer (number) or Boolean (true/false) value. However, Firefox doesn't keep its settings in the registry, but in a file called prefs.js. You can edit prefs.js directly, but it's often easier to change the settings through the browser window.

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News source: ComputerWorld

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Been there, done that, got the t-shirt.

Funny how often people post these supposedly new articles, this one has been doing the rounds since 2003!

Just install FasterFox and be done with it!

These tweaks have been around for a while, but this gives a better explanation of what each one does.