The date and time that the message was sent.

date

Control options for the current connection and list of hop-by-hop response fields.

The client or server would like to close the connection.

connection

Encoded information about your request from Cloudflare.

Indicate a resource should be loaded from a different server while still appearing to be loaded from this server.

This and all future requests should be directed to the given URI. The request method can change.

The length of the response body in octets (8-bit bytes).

Inform all caching mechanisms from server to client whether they may cache this object.

The time a browser should remember a site can only be accessed with https (seconds).

May be stored by any cache but must be validated by the server.

The time at which the response is considered stale.

Controls what referrer information is sent with requests.

Send the full referrer for same origin requests, and nothing for cross-origin.