It would suck all the fun out! And that is not why any of us are in fandom. Luuuuckily, building this out is on my active to-do list, so if December chills out for two seconds I might be able to help you out!

In the name of user research, then: would you do % of overall reading as a words or a works count? & given whatever your ao3 habits are, how would you filter for "actually read" vs "opened and closed out"?