The onboarding will offer you a lot of topics to sign up to. These contain communities in them. The idea is to populate subscription feeds, however it can leave some users with a lot of undesired subscriptions if they click too many.
If you wish to roll this back. Go to Settings -> Profile and click the yellow bar. Don’t click the red bar!
But welcome, and feel free to post your thoughts here.
!newcomers@piefed.zip for a specific community also devoted to new users to the Fediverse.
Come Join us in the Zulip Chat if you have specific queries.
The sign up page needs to be redesigned. I literally could not sign up a few days back. I think now what it was is the catcha has a white box underneath to enter the field, which can be missed.
Good point, thanks!