It tells you cron is running. It tells you your junior dev did not accidentally reconfigure your cron to go once a week rather than once an hour. It tells you that the program that cron starts, which performs a small suite of diagnostics on your website, is able to do them regularly. It tells you that the network at your remote office can reach the outside world.

Maybe like this, with HTTPie?

    http --check-status GET localhost/health && https GET example.peeng.sh

The point being that your internal healthcheck endpoint isnt exposed publicly.

https://httpie.io/docs/cli

Can you elaborate? You are want it to ping your HTTP server and let you know when no response?