1 Ping sent successfully
2 CONTENT_TYPE: text/ping
3 HTTP_COOKIE: hello=world
4 HTTP_PING_FROM: http://127.0.0.1:8000/navigation/ping-attribute/anchor-cookie.html
5 HTTP_PING_TO: http://127.0.0.1:8000/navigation/resources/check-ping.php
6 REQUEST_METHOD: POST