It's going too fast for me. I'm trying to slow it down.

Okay it seems to be fixed now by logging off, turning off my PC, then restarting and logging back in.

Thanks for the input everyone and sorry for the bother, just wasn't sure if it was me or a site-wide problem.

Okay it's functional now but still way slower than usual.

EDIT: And just like that, it's magically fixed and back to normal. Bizarre.

I have noticed similar behaviour on sites when the server is struggling rather than it being an issue with the browser itself. If threads are taking forever to load or getting stuck on the loading screen, it could be server load, database queries, or some issue with the site’s hosting. Try a different browser or mobile connection just to rule out a local problem, but if the same thing happens there too, it is probably something on the site side. Contact them and hopefully the admins can check the server logs and performance metrics.