<https://community.woltlab.com/thread/292556-blank-article-page-after-update/>
<http://schema.org/dateModified>
"2021-09-22T01:00:09+02:00"^^<http://schema.org/Date>
<https://community.woltlab.com/thread/292556-blank-article-page-after-update/?postID=1868824>