Redirect old url to a new url RewriteEngine On RewriteRule /oldurl /newurl [R=301,L] Canonical domain rewriting RewriteEngine On RewriteCond %{HTTP_HOST} ^domain\.com$ [NC] RewriteRule ^(.*)$ http://www.domain.com/$1 [R=301,L]   See also Apache module mod_rewrite documentation Permanent redirect with nginx Permanent redirect with lighttpd