In my humble opinion, I'm not sure, I haven't seen enough data, yet.
They look at the their recent activity and how many pictures and videos they posted.
Just click on blurred photo or video below to open gallery.
They usually reply within a few hours.
.
Anyway, I've got sooo much more things to say about how often does vivalavega post on OnlyFans, is their OnlyFans worth the money, what is their most prominent category, and more.