显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Server: nginx
Date: Fri, 17 May 2024 04:59:41 GMT
Content-Type: text/html
Content-Length: 61710
Last-Modified: Thu, 25 Apr 2024 01:57:27 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "6629b887-f10e"
Accept-Ranges: bytes