To use user scripts you need to first install a user script manager. Which user script manager you can use depends on which browser you use.
- Chrome: Tampermonkey or Violentmonkey
- Firefox: Greasemonkey, Tampermonkey, or Violentmonkey
- Safari: Tampermonkey
- Microsoft Edge: Tampermonkey
- Opera: Tampermonkey or Violentmonkey
- Maxthon: Violentmonkey
- Dolphin: Tampermonkey
- UC: Tampermonkey
- Qupzilla: (no additional software required)
- AdGuard: (no additional software required)
Browse this site to find a user script you want to try.
Go to the site the user script affects. It should automatically do its thing. After trying out the user script for a while, go back to where you installed the user script and leave some feedback for the user script's author.