This script replaces tab icons (favicons) on reddit.com with icons of subreddits. Works on old.reddit.com, new.reddit.com, and sh.reddit.com. It helps distinguishing tabs of different subreddits from each other. Note, that not all subreddits on Reddit have a separate icon.

See also

Source code is available on GitHub, pull requests are welcome.

More userscripts for changing tab icons in script set Tab icon replacers.