<http://schema.org/description>
"You know that annoying kid who is constantly poking you on your back and asking the same annoying request over and over again?  Well, Google said if you do that to them, at least via the Fetch as Goog"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-fetch-as-google-penalty-17413.html>