vonFelten.com

Huh… what did you say? Take off your geek hat… just tell me what it means and how to fix it?

Ok. Ok. For our purposes, it simply helps you address duplicate content on your domain.

Canonical issues stem from duplicates of data existing on multiple URLs. For example, url.com and www.url.com and www.url.com/index.html all host the same content.

How to fix Canonical Hostnames on Apache-Based Servers

Create a file using any text editor and save it as “.htaccess.txt”

Next, copy and paste the below information into the file and save.
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RewriteEngine On
rewritecond %{http_host} ^vonfelten.com
rewriteRule ^(.*) http://www.vonfelten.com/$1 [R=301,L]
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That’s it… Your ready to test it.

Upload the new .htaccess file to the root directory of your server.
note: Be sure to remove the .txt extension from the file name. On some servers you might have to set the file permissions for the file. You can do this through the interface in most FTP programs. Set it to : chmod 644
Here is another example you might find useful.

How to fix Canonical URLs on Apache-Based Servers

In the example (which is shown on apache.org) we will replace /~user by the canonical /u/user and fix a missing trailing slash for /u/user

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RewriteRule ^/~([^/]+)/?(.*) /u/$1/$2 [R]
RewriteRule ^/([uge])/([^/]+)$ /$1/$2/ [R]
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If you need help understanding this in more detail please doesn’t hesitate to contact me or grab more information at apache.org