<https://unusuario.com/2013/08/firefox-23-ya-esta-entre-nosotros.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://unusuario.com/2013/08/firefox-23-ya-esta-entre-nosotros.html>