显示HTTP状态码和HEAD信息↓
HTTP/1.1 520
Date: Mon, 17 Jun 2024 00:57:13 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 15
Connection: keep-alive
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=fdjjex1ymjIigUqZ26D960aw43lJsCxq6tXmPa8ARsnUtS7gLyzuSdyfPRxGxxOsR7niz8dZ8j%2BNCoXJkDTimbLTfg2yL4BJCXh3EuNo2i31qwa3N5vYq5tbUdPV5XL8CbKMGJYcAAWl"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 894f1592ac079511-LHR
alt-svc: h3=":443"; ma=86400