>>279643159Gintama
https://www.anikore.jp/anime/868/
91.0 points, 4.2/5 average rating (apparently there are two rating systems here)
https://sakuhindb.com/janime/GINTAMA/
I'll be honest, I haven't figured out how this one works, but the average score is very good and highest got the most number of votes.
https://ranking.net/items/b3dab1
84.4 points
https://filmarks.com/animes/348/516
4.3/5
Yeah I knew you were just pulling numbers out of your ass. Gintama was one of the biggest series in Japan during its time. By the websites you provided, it should at least be above 8/10. I'm not even going to bother verifying your other ratings.