Tweakguides have a large article about Firefox tweaking which not only explains the basic settings of the Firefox web browser in great detail, but also advanced settings which can be edited by entering about:config in the Firefox address bar. The guide is divided into 12 chapters and starts with an introduction which helps you get in the right mood for the article. After that the optimization chapters begin with chapter 2 essential optimization and an explanation of many basic Firefox settings. You learn a lot about Firefox and those early chapters are clearly aimed at novice users who did not put much thought into the configuration up until now.
The advanced sections begin with chapter 7 (customizing Firefox) and explain again many parameters that can be altered using the about:config command. This is a great way to tweak Firefox without using an extension like Fasterfox that automatically alters some variables depending on how you set it up. All chapters include links to additional information, the advanced tweak section for instance provides links to a developer website at mozilla.org that explains the different variables as well. This guide is a great resource for every Firefox user, definitely recommended.
Update: With Firefox updates came lots of changes that have rendered some of the guide's initial suggestions incompatible. The author has however improved the guide throughout the years to keep it in line with updates that Mozilla has released for it.
Here is the list of contents it covers:
Both the Firefox Settings and Advanced Tweaking chapters are well worth the visit, the former for new Firefox users, and the second for all Firefox users who would like to do advanced tweakings. The article, especially since it has been recently updated, is a great read for all Firefox users.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.