Input box for User:UBXUser:UBX userbox hosting

Do not use the prefix "User" when creating a userbox in the userspace of User:UBX.

Input box for hosting userboxes in Special:Mypageyour userspace

Want to use the "User" prefix? That is not our problem. Go ahead if it is in your userspace!

Input box for hosting userboxes in the Wikipedia:Template namespaceTemplate namespace

It is recommended that you use the "User" prefix when creating userboxes in the template namespace.