A step by step guide to enable DNS-over-HTTPS (DoH) support in the Firefox browser.

Select Preferences from the Firefox menu. In the pop-up window, click the Content icon. Check the Enable JavaScript check box. Close the window. To enable JavaScript in Safari (MAC): ...

Step-by-step guide to enable or disable Picture-in-Picture mode in Firefox for seamless multitasking or distraction-free browsing.

Firefox: Some web sites don't let users copy text or paste their own, like PayPal which won't let you paste a password. This Firefox settings tweak gives you copy-paste functionality when sites ...

Mozilla is leveraging an impressive new optimization technique to bring a big performance boost to the Firefox JavaScript engine. The code was merged today (but is not yet ready to be enabled by ...