<http://schema.org/description>
"A/B testing is the process of setting up two or more styles for a page, for the same piece of content.  For example, let's say you had a page where you sold blue widgets and you wanted to try using a "^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/020628.html>