Directory browsing allows visitors to your site to see and browse through the contents of folders on your web site, which can be a security issue.
Determining whether to use www in your canonical URLs is an important decision and should be reinforced by redirects to prevent duplicate content from an SEO perspective. Definition of a WWW Redirect A www redirect is a rule on your web server that forwards all traffic from the non-www version of your domain to the … Continue reading WWW Redirects with .htaccess
Anytime you migrate a web site, or even just relocate a single page to a new URL, redirects ensure that your users don't get lost in the shuffle. Search engines also use redirects to aid in properly indexing your site's content.