It’s likely that Hackaday readers have among them a greater than average number of people who can name one special thing they ...

A dark indigo CSS theme for Firefox and a large collection of privileged scripts to add new buttons, menus, behaviors and other opinionated features. The theme is similar to other userChrome ...

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 ...

A dark indigo CSS theme for Firefox and a large collection of privileged scripts to add new buttons, menus, and behaviors and eliminate nuisances. The theme is similar to other userChrome stylesheets, ...

Version 93 of Mozilla's Firefox browser has arrived, and chief among its new features is tab unloading. Available at the moment only on Windows, with macOS and Linux to follow, the feature kicks in ...

Now, the ability to turn off JavaScript in PDF documents is effortless to get done, though not as straightforward as we would like. That is because the ability to disable JavaScript is not available ...

On by default in Firefox 83, the Warp update to the SpiderMonkey JavaScript engine improves responsiveness and memory usage and speeds up page loads Firefox users can expect improved JavaScript ...

Many Web pages use complex JavaScript scripts to interact with you, save your preferences or gather information about visitors to the site. If your Mozilla Firefox Web browser is set to block ...

In an effort to mitigate a large class of potential cross-site scripting issues in Firefox, Mozilla has blocked execution of all inline scripts and potentially dangerous eval-like functions for ...