

Most of my notes should warn ahead of time about spoilers, but some old ones might not, so beware.
For simplicity's sake, I use a 20 points interval for my ratings (0.5 intervals), and my scores don't line up perfectly with how much I enjoyed them, but I can't claim to be objective either, but if it's under 5 I probably regret having spent time on it to some degree. And if I scored something, odds are I left some notes about it.
While I try to take into account plot mishaps, the way exposition is done, characterization, pace, ending, etc. The way I perceive them, and how much importance I give each of them for a particular series, is essentially up in the air. I'm not going to judge a bad ending on an action series as harshly as I would in a mystery manga, for example, and if the author frames their manga as something silly from the get-go I'm not going to mind "convenient" plot developments as much.
I also might take the age of the manga into account, I can cut old manga some slack in the art and paneling department (though I tend to not judge art harshly anyway), as well as not minding tropes as much given that they wouldn't have been that overused at the time they were made compared to the present.
While it's a factor, enjoyment doesn't directly determine the score, so just because something has a higher score than something else it doesn't mean I liked it more, specially if they are different genres.
I also have an affinity for delinquent manga and I tend to dislike romance and ecchi series, and that's probably going to have an effect on my average score in said series.
Having said all this, I'm not going to pretend my scores are "objective", I think there's no way to judge media "objectively" - different people might disagree on what's an issue, and how important specific issues are for the story.
