A bug report opened about nine months ago on Mozilla's Bugzilla bug tracking site for Firefox suggests that the organization could disable reading the user.js file of the Firefox browser by default […]

Mozilla plans to launch the redesigned about:config interface in Firefox 71, the next stable version of the web browser. The internal page about:config provides Firefox users with access to an advanced set […]

Mozilla Firefox has an issue right now that is causing conflicts if multiple extensions are installed that modify CSP headers on visited sites. CSP, which stands for Content Security Policy, is a […]

Librefox is an open source project designed to provide anyone with a copy of the Firefox browser that comes with privacy and security enhancements included. Librefox is not a fork of Firefox […]

Tor Browser is a web browser specifically designed for privacy and anonymity. The web browser is a modified version of Firefox ESR that includes privacy tweaks and even some extensions to improve […]

Fingerprinting is a common technique used predominantly by advertising agencies and marketing companies to track people on the Internet. Mozilla introduced the preference privacy.resistFingerprinting in Firefox 41 as part of the Tor […]

Mozilla plans to strip path information from the referer when visiting third-party sites starting in Firefox 59 Stable. The new feature applies to the browser's private browsing mode only. Web browsers provide […]

The Ghacks user.js configuration file for Firefox contains a list of mostly privacy and security-related preferences for the web browser. Firefox updates may change preferences. Updates may remove preferences, modify them, or […]

The ETAg -- entity tag -- is a web cache validation method that web servers use for identifying resources. The core idea behind the feature is to use it to compare resources […]

Some Firefox extensions require access to local storage and/or indexedDB, for instance to store data on the user device Firefox runs on. These extensions may break if cookies are blocked. Extensions like […]

Mozilla released Firefox 56 to the release channel a couple of days ago, and this overview provides you with information on new, updated, and removed changes made to the Ghacks user.js file. […]

This guide offers information on changes made to the Firefox 55 preferences, as well as new, deprecated, or removed Ghacks user.js preferences. Mozilla released Firefox 55.0 to the Release channel on August […]

Firefox 55 and the coming Firefox 56 and 57 releases mark an important point in the history of the browser. Mozilla plans to switch off the Firefox legacy add-on system in Firefox […]

Some time ago part of development for Firefox shifted from integrating new features and experiments in the core browser directly to using system add-ons for that. Mozilla did integrated Pocket in Firefox […]

This article offers information on changes made to the Firefox 54 preferences, as well as new, deprecated, or removed Ghacks user.js preferences. Mozilla released Firefox 54.0 this week to the Stable channel. […]

The following article provides you with information on new Firefox 53 preferences, deprecated or removed preferences, and changes to the Ghacks-user.js file for the Firefox web browser. Mozilla released Firefox 53 on […]

When Pants approached me in 2015 about publishing his Firefox user.js configuration file on Ghacks, I never imagined how far the project would come. Now, 20 months later, the project has made […]