DJ-Canonical installation
Contents:
DJ-Canonical can help with SEO on your website by providing the canonical link (in the website's source code) that is read by the search engines and tells them which URL is the real source of the currently browsed page.
In other words - if your page is available from multiple URLs (addresses) - the canonical link will tell the search engine which one is preferred and which one should be indexed.
What is a canonical link
According to Wikipedia:
A canonical link element is an HTML element that helps webmasters prevent...