Meta Tags

MetaExtension canonical

The canonical Meta Extension is practically a link element, which defines what the original URL of a document is. The result displays in search engines as well as on printed pages.

It's mostly used if you have a mobile-version of your page on a subdomain like and a desktop version like Search engines will only index the defined URL and not the mobile-page if a canonical link is set.

To avoid problems that could appear when indexing your page, you should always set a canonical link in the <head>-section of your documents.


<link rel="canonical" href="">