Puoi semplicemente digitare:
curl -I https://marzorati.co
e otterrai un risultato con queste informazioni:
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 12352
Server: GitHub.com
Content-Type: text/html; charset=utf-8
Last-Modified: Tue, 20 Jul 2021 07:28:30 GMT
Access-Control-Allow-Origin: *
ETag: "60f67b1e-3040"
expires: Wed, 21 Jul 2021 07:31:57 GMT
Cache-Control: max-age=600
x-proxy-cache: MISS
X-GitHub-Request-Id: 5570:5467:1BE4DD:1D99E8:60F7CB15
Accept-Ranges: bytes
Date: Wed, 21 Jul 2021 07:21:57 GMT
Via: 1.1 varnish
Age: 0
X-Served-By: cache-mxp6975-MXP
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1626852118.747827,VS0,VE95
Vary: Accept-Encoding
X-Fastly-Request-ID: e261f5ea96bc0c3ecd1d78effeb7f99c1adf6a09
O in altri casi più semplici, un risultato simile:
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 21 Jul 2021 07:23:25 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Vary: Accept-Encoding
X-Dck: 01