Greasy Fork is available in English.
This script is based on YouTube Web Tweaks (but with minimal tweaks into it, but it also includes the VP9 disabler script that optimizes video playback well for older machines)
当前为
If you want to use the normal YouTube Web Tweaks script, you can just get it here: http://greasyfork.icu/en/scripts/447802-youtube-web-tweaks