<http://schema.org/description>
"Microsoft has jumped on the bandwagon for allowing you to verify if the useragent, MSNBot, that is crawling your site, is truly from Microsoft or being spoofed by some content scraper.  Google has rel"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/006817.html>