I am a tumblr user and I think it's one of the worst sites to host fic on. I can't read fic on there, loads of users use tiny font and clashing backgrounds, zooming can increase the background over the foreground and displaces the text box; And it just doesn't promote communication in a good way. Especially now the reply function has gone.

I know for a lot of people it's the first port of call for fic requests but I just haven't figured out how to get involved there when it's so unfriendly to readers who don't follow via dashboard.