<http://schema.org/description>
"Google's John Mueller was having fun this morning when he posted on Google+ \"Time for HTTP 418. Every site should have one.\"The HTTP 418 server status code was an April Fools Joke back in 1998.  No on"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-http-418-im-a-teapot-19042.html>