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 would like to keep the connection open.

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.

Indicates that different content may be provided to different clients, depending on the vary header.

The resource could not be found, but may be available in the future.