| 状态码 | 短语 |
|---|---|
| 1×× 消息响应 | |
| 100 | Continue (继续) |
| 101 | Switching Protocol (切换协议) |
| 102 | Processing (正在处理) |
| 103 | Early Hints (用来在最终的 HTTP 消息之前返回一些响应头)[1] |
| 2×× 成功响应 | |
| 200 | OK (成功) |
| 201 | Created (已创建) |
| 202 | Accepted (已创建) |
| 203 | Non-Authoritative Information (未授权信息) |
| 204 | No Content (无内容) |
| 205 | Reset Content (重置内容) |
| 206 | Partial Content (部分内容) |
| 3×× 重定向 | |
| 300 | Multiple Choice (多种选择) |
| 301 | Moved Permanently (永久移动) |
| 302 | Found (临时移动) |
| 303 | See Other (查看其他位置) |
| 304 | Not Modified (未修改) |
| 305 | Use Proxy (使用代理) |
| 306 | unused (未使用) |
| 307 | Temporary Redirect (临时重定向) |
| 308 | Permanent Redirect (永久重定向) |
| 4×× 客户端错误 | |
| 400 | Bad Request (错误请求) |
| 401 | Unauthorized (未授权) |
| 402 | Payment Required (需要付款) |
| 403 | Forbidden (禁止访问) |
| 404 | Not Found (未找到) |
| 405 | Method Not Allowed (不允许使用该方法) |
| 406 | Not Acceptable (无法接受) |
| 407 | Proxy Authentication Required (要求代理身份验证) |
| 408 | Request Timeout (请求超时) |
| 409 | Conflict (冲突) |
| 410 | Gone (已失效) |
| 411 | Length Required (需要内容长度头) |
| 412 | Precondition Failed (预处理失败) |
| 413 | Request Entity Too Large (请求实体过长) |
| 414 | Request-URI Too Long (请求网址过长) |
| 415 | Unsupported Media Type (媒体类型不支持) |
| 416 | Requested Range Not Satisfiable (请求范围不合要求) |
| 417 | Expectation Failed (预期结果失败) |
| 418 | I'm a teapot (我是一个茶壶) |
| 421 | Misdirected Request (错误的请求) |
| 422 | Unprocessable Entity (无法处理的实体) |
| 423 | Locked (资源被锁) |
| 424 | Failed Dependency (失败的依赖) |
| 425 | Too Early (服务器拒绝处理 Early Data 中的请求) |
| 426 | Upgrade Required (需要升级，客户端应切换到 Upgrade 头字段中给出的不同协议) |
| 428 | Precondition Required (要求先决条件) |
| 429 | Too Many Requests (太多请求) |
| 431 | Request Header Fields Too Large (请求头字段太大) |
| 451 | Unavailable For Legal (内容因法律原因禁止被访问) |
| 5×× 服务器端错误 | |
| 500 | Internal Server Error (内部服务器错误) |
| 501 | Implemented (未实现) |
| 502 | Bad Gateway (网关错误) |
| 503 | Service Unavailable (服务不可用) |
| 504 | Gateway Timeout (网关超时) |
| 505 | HTTP Version Not Supported (HTTP 版本不受支持) |
| 507 | Insufficient Storage (存储空间不足) |
| 508 | Loop Detected (检测到循环) |
| 511 | Network Authentication Required (要求网络认证) |
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