<http://schema.org/description>
"There are tons of complaints in the forums that the Google PageRank went missing in action and is no longer working.The issue is not with Toolbar PageRank, but rather how 3rd party tools lookup the PR"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-pagerank-change-14132.html>