<http://schema.org/description>
"A thread at HackerNews has Google's Matt Cutts defending itself over accusations that a split A/B test has allegedly caused Google to delist a site from the search engine.The site claimed that when it"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-testing-okay-15112.html>