Firefox: If you regularly tweak entries in Firefox's about:config menu (as we often do), you've probably stumbled upon preferences that look interesting but you aren't sure how to use them. What's ...

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 ...

The Firefox Web browser, built by the Mozilla Foundation and friends is a complicated piece of technology—if you care to look under the hood. It's not obvious where the hood catch is, because the ...

Jack Wallen walks you through the process of locking down options with Firefox's about:config page to help secure the browser from user tampering. Since the release of Firefox Quantum, have you made ...

In Firefox, about:config refers either to an internal address like about:preferences (the Options page) or about:support (the Troubleshooting Information page). Let’s see how we can use about:config ...

Firefox comes with a range of features you might never use—and may even find annoying. While some nuisances can be turned off in the regular settings menu, others require adjustments on the ...