I recommend arkenfox's user.js[0] which uses (mostly) sane defaults oriented toward privacy and security. If nothing else, their user.js file is annotated so a

I recommend arkenfox's user.js[0] which uses (mostly) sane defaults oriented toward privacy and security. If nothing else, their user.js file is annotated so a quick Ctrl+F can help you find the exact settings you want to change. [0] https://github.com/arkenfox/user.js https://github.com/arkenfox/user.js