I mean just look at this !
deviantart https://backend.deviantart.com/rss.xml?q=gallery:user
tumblr http://exampleblogname.tumblr.com/user
pixelfed https://pixelfed.de/users/user.atom
mastodon https://instance.url/@user.rss
gbatemp
Feel free to add more sites that have coolio rss and work via usercontent
*dances* Weeewweee
deviantart https://backend.deviantart.com/rss.xml?q=gallery:user
tumblr http://exampleblogname.tumblr.com/user
pixelfed https://pixelfed.de/users/user.atom
mastodon https://instance.url/@user.rss
gbatemp
Feel free to add more sites that have coolio rss and work via usercontent
*dances* Weeewweee