Greasy Fork is available in English.
It shows RatingBars which represents Like/Dislike Rating ratio.
目前为
How to install UserScripts:
http://greasyfork.icu/en/help/installing-user-scripts
※After Nov 8th 2019, it exceeds YouTube API quota limit and be not available to get rating data near 0:00 WST on everyday
for more information about the problem: (I want to know some easy way to solve the problem...)
http://greasyfork.icu/ja/forum/discussion/66193/x
It works on the top page, search results, video watching and channel pages, etc.
If a video has less than 10 rating votes, an appended bar is thinner.
My YouTube Scripts:
http://greasyfork.icu/en/scripts?set=337436
Twitter:
@kantankikaku
