<http://schema.org/description>
"After Google launched their HTTPS ranking signal some savvy SEOs and webmasters noticed SSL errors spewing from Google.  Both Dave Naylor and Jennifer Slegg covered the issue, showing prompts and warn"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-ssl-issues-18994.html>