Basta controllare il sorgente della home:

codice:
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
 <meta name="generator" content="Plone - http://plone.org" />
 <meta http-equiv="X-UA-Compatible" content="IE=edge" />
 <base href="http://www.fbi.gov/main-page" />
 <link rel="kss-base-url" href="http://www.fbi.gov/main-page" />