<https://secure.gravatar.com/avatar/2e5dc7e565a84fd55fbe901bab0f124d?s=96&amp;d=monsterid&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://startechies.net/blog/best-website-traffic-checker-tools/>