Anyone who likes tinkering with Firefox’s various hidden features knows that the key to finding them is the browser’s ‘about:’ pages—for instance about:config or about:preferences. When these and ...

There is now a special page in the Firefox browser where users can see what telemetry data Mozilla is collecting from their browser. Accessible by typing about:telemetry in the browser's URL address ...

Mozilla has added a feature to the coming Firefox 3.6 that will make it a bit easier to figure our why your friend's web browser isn't working. A new --about:support-- configuration page in Firefox ...

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 ...

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 ...

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 ...

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 ...