The Configuration Editor (about:config page) in Mozilla Firefox lists settings known as preferences. Most of these preferences are advanced settings that are not present in the Options panel. Changing ...

Firefox doesn't get enough love these days, but it's still the most customizable browser around thanks the numerous options in about:config. Here are 10 under-the-hood Firefox tweaks you should try ...

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 ...

Windows/Mac/Linux (Firefox): The Configuration Mania Firefox extension provides a GUI menu for tweaking Firefox's about:config settings. That means that rather than typing about:config in your address ...

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 ...

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 ...

Mozilla recently released the next iteration of Firefox–one that has finally caught up with, and in some cases, surpassed the competition. This means there might be a new crowd of users coming on ...

If you’d like to see more tabs in your tab bar at once, set browser.tabs.tabMinWidth to something smaller than 100. The top image shows the default minimum tab width of 100 pixels; the bottom image ...