HTTP/1.1 301 Moved Permanently Date: Sun, 04 May 2025 17:43:25 GMT Content-Type: text/html Content-Length: 167 Connection: keep-alive Cache-Control: max-age=3600 Expires: Sun, 04 May 2025 18:43:25 GMT Location: https://www.exrx.net/ Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=0nP4bUtovHv6HKRHHC1V0SKtd87TU0cFkFC0YFdV%2BiqIcuB%2Bkz2QnUopqLjyv9zHLabK7xWS9gwq0Xv5IQB94ZkJ3lp4XhgCw0St787bcE599YVpVaFyBrhHLCDfhg%3D%3D"}],"group":"cf-nel","max_age":604800} NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800} Server: cloudflare CF-RAY: 93a9cce1ae2dd2eb-FRA server-timing: cfL4;desc="?proto=TCP&rtt=180705&min_rtt=180705&rtt_var=90352&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=326&delivery_rate=0&cwnd=30&unsent_bytes=0&cid=0000000000000000&ts=0&x=0" HTTP/1.1 301 Moved Permanently Date: Sun, 04 May 2025 17:43:26 GMT Content-Type: text/html; charset=iso-8859-1 Connection: keep-alive Location: https://exrx.net/ Cache-Control: max-age=604800 Expires: Sat, 10 May 2025 22:32:15 GMT CF-Cache-Status: HIT Age: 69070 Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=E5kI2tGbAb4tvxIq81fFeDjW5%2FOEcYuEHSnrZHbzEP0wmkiPrJQcCL7gosWyVskhlBEh7b%2Ba9p1ZaQsj1OnHe1FjT7x8KjjViLNTkWGeBRgz1oaM9bA7xkMfaMyUQw%3D%3D"}],"group":"cf-nel","max_age":604800} NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800} Server: cloudflare CF-RAY: 93a9cce85a14927f-FRA server-timing: cfL4;desc="?proto=TCP&rtt=198728&min_rtt=198561&rtt_var=42002&sent=4&recv=7&lost=0&retrans=0&sent_bytes=2798&recv_bytes=646&delivery_rate=14582&cwnd=33&unsent_bytes=0&cid=5837e3d69436efe9&ts=428&x=0" HTTP/1.1 200 OK Date: Sun, 04 May 2025 17:43:30 GMT Content-Type: text/html; charset=UTF-8 Connection: keep-alive X-Powered-By: PHP/7.4.33 Cache-Control: no-cache, private Cache-Control: max-age=600, private, must-revalidate X-Frame-Options: SAMEORIGIN Expires: Sun, 11 May 2025 17:43:28 GMT Vary: Accept-Encoding,User-Agent CF-Cache-Status: BYPASS Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=PRJVO4gzOpX%2BDUNClwNn1pXBjllXSWzytIaOg4f2ormX9mXZzEhY2rwe9N8NxkLYh7M%2BNlnbzq7dA1eKHu1ZgBjuAIlcYIRWJzNY3msUnnR3ZIHTYxJk0YoJ"}],"group":"cf-nel","max_age":604800} NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800} Server: cloudflare CF-RAY: 93a9ccf05cf65d45-FRA server-timing: cfL4;desc="?proto=TCP&rtt=184502&min_rtt=182839&rtt_var=52838&sent=5&recv=6&lost=0&retrans=0&sent_bytes=2798&recv_bytes=639&delivery_rate=15839&cwnd=33&unsent_bytes=0&cid=f49ee04f75f9fa0c&ts=2554&x=0" http状态码说明： 200 ：服务器已成功处理了请求并提供了请求的网页。 204：服务器成功处理了请求，但没有返回任何内容。 301：请求的网页已永久移动到新位置。当URLs发生变化时，使用301代码。搜索引擎索引中保存新的URL。 302：请求的网页临时移动到新位置。搜索引擎索引中保存原来的URL。 304：如果网页自请求者上次请求后没有更新，则用304代码告诉搜索引擎。 400：服务器错误。 403：服务器拒绝请求。 404：服务器找不到请求的网页。服务器上不存在的网页经常会返回此代码。 410 ：请求的资源永久删除后，服务器返回此响应。该代码与 404（未找到）代码相似， 500 ：服务器遇到错误，无法完成请求。 503：服务器目前无法使用（由于超载或停机维护）。