Basically I want to create another account so that I can start a few communities, since lemmy.one doesn’t allow for community creation. But after filling out the sign up details it never loads or completes
You could try kbin. It has an easier path to entry and being in the fediverse still able to access the same content. I do not intend to start a fediverse war here though.
Signups on lemmy.world worked as late as a few hours ago at least. Try again in a bit?
You can sign up instantly on https://readit.buzz (kbin)
Check the spam filter in your email for a validation link. Registration just spun for me until I found that