显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Content-Type: text/html; charset=GBK
Connection: keep-alive
X-RateLimit-Limit: 2000
X-RateLimit-Remaining: 1999
X-RateLimit-Reset: 1
X-Bandwidth-Limit: 10737418240
X-Bandwidth-Remaining: 10737352186
X-Bandwidth-Reset: 1
Date: Fri, 12 Jul 2024 08:57:08 GMT
Vary: Host,Accept-Encoding
X-Powered-By: PHP/5.6.40
Cache-Control: public, no-transform
Server: BAIDU_WAF