The times they are a-changin’.
This post seems to be older than 16 years—a long time on the internet. It might be outdated.
This plugin was developed in response to a comment on Add data to user field in WordPress and then a question over on the WordPress support blog: Customized registration form – want to collect user’s URL. In short, it lets you force the user to fill in addition fields during registration (such as name and URL).
Read more and download:
Force User Field Registration
