"Search engines may think www.felgner.ch and felgner.ch are two different sites.You should set up a permanent redirect (technically called a "301 redirect") between these sites. Once you do that, you will get full search engine credit for your work on these sites.
For example, www.felgner.ch seems to have 3,844 inbound links whereas felgner.ch has 3,885 inbound links. By correctly configuring a permanent 301 redirect, the search rankings might improve as all inbound links are correctly counted for the website."
Ok. How?
I'll try it like that:
"Do your servers support 301 type redirection?"
"Yes, redirection is feasible, for instance through an .htaccess file, in the following way:
RewriteEngine on
RewriteCond %{HTTP_HOST} !domaine.com
RewriteRule (.*) http://www.domaine.com/$1 [R=301]"
Let's see ...
Get the 
Comments by DISQUS