Ping sent successfully
CONTENT_TYPE: text/ping
HTTP_HOST: localhost:8000
HTTP_PING_FROM: http://127.0.0.1:8000/navigation/ping-attribute/anchor-cross-origin.html
HTTP_PING_TO: http://127.0.0.1:8000/navigation/resources/check-ping.py
REQUEST_METHOD: POST
REQUEST_URI: /navigation/resources/save-ping.py