<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://ukwebfocus.com/papers/a-challenge-to-web-accessibility-metrics-and-guidelines-putting-people-and-processes-first/?like=1&source=post_flair&_wpnonce=d0199d491e>