I rate based on how glad I am to have watched something. Its far from objective and based mostly on my enjoyment and how much I appreciate the memory of the thing. I change my scores sometimes but only ever by 1 point usually.
My movie list: https://letterboxd.com/BetterBox/films/
I dont usually bother listing anime movies there.
Genre Overview
Action
217
Entries
Drama
194
Entries
Sci-Fi
152
Entries
Adventure
136
Entries
Fantasy
125
Entries
299
Total Anime
48.4
Days Watched
69.9
Mean Score
130
Total Manga
5204
Chapters Read
71.1
Mean Score