You must be a fan of Christoph, otherwise why should you sign up?
You don't need to have a website but if you have please put up the code and link it back to http://metzefl.de.vu. Be aware that
I check your site for a code from time to time.
Put the code up before you join and place it where it's easily found.
I will not search for it!
You have to provide a true email address.
Please provide your location. You won't be added without it.