显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Server: nginx
Date: Mon, 20 May 2024 06:46:19 GMT
Content-Type: text/html
Content-Length: 101965
Last-Modified: Thu, 12 Jan 2023 04:17:02 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "63bf89be-18e4d"
Accept-Ranges: bytes