This sections talks about how you can tweak/configure the root .htaccess file. This file is only necessary if you are using PrettURLs, but can be of use in other ways.

GetSimple doesn't by default force a domain to use either www or no-www based on it's SITEURL that is setup within the administrative panel. You can add this code to force it to never use www in your URL:

RewriteCond %{HTTP_HOST} !^domain.com$ [NC] 
RewriteRule ^(.*)$ http://domain.com/$1 [L,R=301]

Conversely, if you’d prefer to use www in all of your URLs, you can use this:

RewriteCond %{HTTP_HOST} !^www.domain.com$ [NC] 
RewriteRule ^(.*)$ http://www.domain.com/$1 [L,R=301]

The code above should be included in your .htaccess file below the RewriteBase line, but before the RewriteCond %{REQUEST_FILENAME} !-f line. See this forum post for more information.