The internet as a whole feels less functional than when it did in the old pioneering days. Services like Like365 seemed interesting for online music streaming, and then you had things like the superior way to share music, AudioGalaxy... Remember when Last.fm was a thing? Now nobody uses it. Some things like Livejournal and alternatives eventually were rightfully pushed back upon, and to an lesser extent Tumblr, but to me it kind of just feels like a general regression. I don't really find it all that usable. Right now there seems to be some big shit going down with websites like youtube...
Neopets had forums (websites having general forums was a thing) and it was crawling with pedophiles.