But it goes up based on upvotes received, if there were other factors I could see it have value but it's only from that and a bit dependent on the reps of users voting (I think). I'm hoping there will be other factors (think the curation league of @abh12345) that would affect the reputation score, so I'm hopeful there will be better solutions to an improved on in the near future. steem-ua was on the right track but not great either and they pretty much abandoned the project from the looks of it, or at least it's development.