<https://techblog.fexcofts.com/wp-content/uploads/2018/07/http2demo.png>
<http://schema.org/dateModified>
"2018-07-19T14:18:05+00:00"^^<http://schema.org/Date>
<https://techblog.fexcofts.com/2018/07/20/grpc-nodejs-chat-example/http2demo/>