Purely anecdotal I'm afraid but considering how pg likes to keep the algorithms relatively secret, it's probably as good as you'll get. Anyway, a good friend (

Purely anecdotal I'm afraid but considering how pg likes to keep the algorithms relatively secret, it's probably as good as you'll get. Anyway, a good friend (and a relatively new member of HN) upvoted a post (not my post) and after refreshing the page we noticed nothing had changed. I upvoted the same post and my upvote was instantly registered. Seen that happen a few times now with different users.