<https://blog.room34.com/archives/440/are-you-a-web-geek-can-a-404-error-page-excite-you/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.room34.com/archives/440/are-you-a-web-geek-can-a-404-error-page-excite-you/>