I was just comparing the amount of traffic across my profiles on various site this morning - as you do - and two things occurred to me: one was the oft-noted phenomenon of the same images getting a disproportionately higher number of likes when uploaded to the model's profile than the photographer's and the other was that the 'Culture of Support' for want of a better phrase seems less prevalent here than elsewhere. Many of us are members of multiple sites and it was interesting to see how the same images fared across the various platforms.
On my German site, photographers are more likely to comment and like images than models, regardless of whose profile it's on. Models comment too but mostly on other model's pages. About 90% of likes and comments on my images are from photographers.
On PP, photographers are more likely to like and comment on images uploaded by models, while the few models that do like images are unlikely to comment, regardless of whose profile they're on.
Here, photographers are also more likely to like and comment on model's images - with a higher proportion of inappropriate 'laddish' remarks, unlike elsewhere - while models almost never like or comment.
So why like or comment anyway?
A like is simple: I just like it: it strikes a chord for whatever reason. But why comment if you're not offering critique? If we discount the painfully crass "nice bum" comments from those sad individuals stuck in the 1970s that is?
I see it as a way of introducing myself: "Hi, I like and appreciate your work" in the case of photographers and "Hi, I like your look and would probably be interested in working with you" in the case of models... It's a way of supporting each other and showing them their efforts are appreciated. There's nothing worse than throwing your latest effort up for all to see and... Nothing... Silence... Tumbleweed rolling across the prairie...
Of course there's always the possibility it's just shit, but when you get a deluge of alerts on one site and nothing on another, it makes you wonder... Especially as the ratio of image views is broadly the same when averaged out and taking membership levels into account...