Statuses are most of the traffic. Unnecessarily large XML traffic. Thank God I didn't use any mobile with its expensive internet at that time. Configuring encryption was a pain in the ass for end users for some reason, at least in the beginning.

Thanks for maintaining it! Hopefully Cloudflare doesn't mind blastr. Just in case anyone was looking for a Cloudflare-free version of blastr—here's one 🦀 https://github.com/codonaft/broadcastr It does a bit more, for instance it can connect to onion relays.