<http://schema.org/description>
"A Google Webmaster Help thread asks why the site performance report in Google Webmaster Tools hasn't updated in 15 days.The last time the report updated for this user was on September 1, 2010.  The in"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/022909.html>