.htaccess : Force www. in your URL

Just add the following code to your .htaccess file in the highest folder of your web directory and yor visitors will be forced to use the www version.




RewriteEngine on
    RewriteCond %{HTTP_HOST} !^www.your_domain.com$
    RewriteRule ^(.*)$ http://www.your_domain.com/$1 [R=301]