Here is the litle peace of code that will improve your SEO.

In order to reduce duplicant content you need to 301 redirected the non www version of the url as well as the /index.php version of the home page url to www version of your site.

Paste this code in your .htaccess file then change yoursite.com to the name of your site and all the forms of your sites first page

• yoursite.com,
• yoursite.com/index.php and
• yoursite.com/index.php?option=com_frontpage&Itemid=1

will be redirected to www.yoursite.com

########## Begin - 301 Redirect
 Options +FollowSymLinks
 RewriteEngine on
 RewriteCond %{HTTP_HOST} ^yoursite\.com$ [NC]
 RewriteRule .* <!-- m -->http://www.yoursite.com/<!-- m --> [L,R=301]
 #
 RewriteEngine On
 RewriteBase /
 RewriteCond %{HTTP_HOST} !^www\.yoursite\.com$
 RewriteRule ^(.*)$ <!-- m -->http://www.yoursite.com/$1<!-- m --> [R=301,L]
 RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /index\.php\ HTTP/
 RewriteRule index\.php$ <!-- m -->http://www.yoursite.com/<!-- m -->%1 [R=301,L]
 #
 RewriteCond %{QUERY_STRING} ^option=com_frontpage&Itemid=1$
 RewriteRule ^index\.php$ <!-- m -->http://www.yoursite.com/<!-- m -->? [R=301,L]
 ########## End - 301 Redirect

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