<http://schema.org/description>
"John Mueller of Google posted a detailed update on how Google currently handles JavaScript sites (including AJAX) and Progressive Web Apps in their index, crawling, and ranking.  He posted this on Goo"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-on-crawling-javascript-sites-progressive-web-apps-21737.html>