Make clearer, that you need a typo3.org account to login
Quoting Søren :
To me it wasn't obvious at first how to login. Meaning it's unclear that it works with your typo3.org account. (Additionally the fact that all the years in the past there was a separate account for the conference website). I think it'll be helpful to explain that you can use this account somehow.
The login box should state, that you need a typo3.org account in order to log in to the conference site.