You could add another row of numbers for Average Monthly Users, Number of Communities, and the software version of an instance (Many are on old versions that lack features and security and bug fixes)
Yeah I'm working on another couple pages that will show a better data-table of instances. With details like Incoming/Outgoing Blocks, Uptime and stuff like that.
It's a good point - I think it's getting a bit cramped, maybe I could roll-up multiple metrics into a "score", like if instance version is <3 out of date, it gives a lower score.