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  1. 面向开发者的 Web 技术
  2. HTTP
  3. HTTP 响应状态码
  4. 103 Early Hints
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在本文中

  • 状态码
  • 规范
  • 浏览器兼容性
  • 参见
  1. HTTP
  2. 指南：
  3. HTTP 概述
  4. 典型的 HTTP 会话
  5. HTTP 消息
  6. MIME 类型（IANA 媒体类型）
  7. HTTP 协议中的数据压缩
  8. HTTP 缓存
  9. HTTP 身份验证
  10. HTTP Cookie
  11. HTTP 的重定向
  12. HTTP 条件请求
  13. HTTP 范围请求
  14. 内容协商
  15. /Connection_management_in_HTTP_1
  16. HTTP 的发展
  17. 协议升级机制
  18. Proxy servers and tunneling
  19. HTTP 客户端提示（Clinet Hint）
  20. HTTP 安全
    1. 确保你的站点安全
    2. HTTP Observatory
    3. 权限策略 实验性
    4. 内容安全策略（CSP）
    5. 跨源资源共享（CORS）
    6. /Cross
    7. HTTP 标头
  21. 参考：
  22. HTTP 标头
    1. Accept
    2. Accept-CH
    3. Accept-Charset
    4. Accept-Encoding
    5. Accept-Language
    6. Accept-Patch
    7. Accept-Post
    8. Accept-Ranges
    9. Access-Control-Allow-Credentials
    10. Access-Control-Allow-Headers
    11. Access-Control-Allow-Methods
    12. Access-Control-Allow-Origin
    13. Access-Control-Expose-Headers
    14. Access-Control-Max-Age
    15. Access-Control-Request-Headers
    16. Access-Control-Request-Method
    17. Age
    18. Allow
    19. Alt-Svc
    20. Alt-Used
    21. Attribution-Reporting-Eligible 实验性
    22. Attribution-Reporting-Register-Source 实验性
    23. Attribution-Reporting-Register-Trigger 实验性
    24. Authorization
    25. Cache-Control
    26. Clear-Site-Data
    27. Connection
    28. Content-Digest
    29. Content-Disposition
    30. Content-DPR 非标准 已弃用
    31. Content-Encoding
    32. Content-Language
    33. Content-Length
    34. Content-Location
    35. Content-Range
    36. Content-Security-Policy
    37. Content-Security-Policy-Report-Only
    38. Content-Type
    39. Cookie
    40. Critical-CH 实验性
    41. Cross-Origin-Embedder-Policy
    42. Cross-Origin-Opener-Policy
    43. Cross-Origin-Resource-Policy
    44. Date
    45. Device-Memory
    46. Digest 非标准 已弃用
    47. DNT 非标准 已弃用
    48. Downlink 实验性
    49. DPR 非标准 已弃用
    50. Early-Data 实验性
    51. ECT 实验性
    52. ETag
    53. Expect
    54. Expect-CT 已弃用
    55. Expires
    56. Forwarded
    57. From
    58. Host
    59. If-Match
    60. If-Modified-Since
    61. If-None-Match
    62. If-Range
    63. If-Unmodified-Since
    64. Keep-Alive
    65. Last-Modified
    66. Link
    67. Location
    68. Max-Forwards
    69. NEL 实验性
    70. No-Vary-Search 实验性
    71. Observe-Browsing-Topics 实验性 非标准
    72. Origin
    73. Origin-Agent-Cluster 实验性
    74. Permissions-Policy 实验性
    75. Pragma 已弃用
    76. Priority
    77. Proxy-Authenticate
    78. Proxy-Authorization
    79. Range
    80. Referer
    81. Referrer-Policy
    82. Refresh
    83. Report-To 非标准 已弃用
    84. Reporting-Endpoints 实验性
    85. Repr-Digest
    86. Retry-After
    87. RTT 实验性
    88. Save-Data 实验性
    89. Sec-Browsing-Topics 实验性 非标准
    90. Sec-CH-Prefers-Color-Scheme 实验性
    91. Sec-CH-Prefers-Reduced-Motion 实验性
    92. Sec-CH-Prefers-Reduced-Transparency 实验性
    93. Sec-CH-UA 实验性
    94. Sec-CH-UA-Arch 实验性
    95. Sec-CH-UA-Bitness 实验性
    96. Sec-CH-UA-Full-Version 已弃用
    97. Sec-CH-UA-Full-Version-List 实验性
    98. Sec-CH-UA-Mobile 实验性
    99. Sec-CH-UA-Model 实验性
    100. Sec-CH-UA-Platform 实验性
    101. Sec-CH-UA-Platform-Version 实验性
    102. Sec-Fetch-Dest
    103. Sec-Fetch-Mode
    104. Sec-Fetch-Site
    105. Sec-Fetch-User
    106. Sec-GPC 实验性 非标准
    107. Sec-Purpose
    108. Sec-WebSocket-Accept
    109. Sec-WebSocket-Extensions
    110. Sec-WebSocket-Key
    111. Sec-WebSocket-Protocol
    112. Sec-WebSocket-Version
    113. Server
    114. Server-Timing
    115. Service-Worker-Navigation-Preload
    116. Set-Cookie
    117. Set-Login 实验性
    118. SourceMap
    119. Speculation-Rules 实验性
    120. Strict-Transport-Security
    121. Supports-Loading-Mode 实验性
    122. TE
    123. Timing-Allow-Origin
    124. Tk 非标准 已弃用
    125. Trailer
    126. Transfer-Encoding
    127. Upgrade
    128. Upgrade-Insecure-Requests
    129. User-Agent
    130. Vary
    131. Via
    132. Viewport-Width 非标准 已弃用
    133. Want-Content-Digest
    134. Want-Digest 非标准 已弃用
    135. Want-Repr-Digest
    136. Warning 已弃用
    137. Width 非标准 已弃用
    138. WWW-Authenticate
    139. X-Content-Type-Options
    140. X-DNS-Prefetch-Control 非标准
    141. X-Forwarded-For 非标准
    142. X-Forwarded-Host 非标准
    143. X-Forwarded-Proto 非标准
    144. X-Frame-Options 已弃用
    145. X-XSS-Protection 非标准
  23. HTTP 请求方法
    1. CONNECT
    2. DELETE
    3. GET
    4. HEAD
    5. OPTIONS
    6. PATCH
    7. POST
    8. PUT
    9. TRACE
  24. HTTP 响应状态码
    1. 100 Continue
    2. 101 Switching Protocol
    3. 102 Processing
    4. 103 Early Hints
    5. 200 OK
    6. 201 Created
    7. 202 Accepted
    8. 203 Non-Authoritative Information
    9. 204 No Content
    10. 205 Reset Content
    11. 206 Partial Content
    12. 207 Multi-Status
    13. 208 Already Reported
    14. 226 IM Used
    15. 300 Multiple Choices
    16. 301 Moved Permanently
    17. 302 Found
    18. 303 See Other
    19. 304 Not Modified
    20. 307 Temporary Redirect
    21. 308 Permanent Redirect
    22. 400 Bad Request
    23. 401 Unauthorized
    24. 402 Payment Required
    25. 403 Forbidden
    26. 404 Not Found
    27. 405 Method Not Allowed
    28. 406 Not Acceptable
    29. 407 Proxy Authentication Required
    30. 408 Request Timeout
    31. 409 Conflict
    32. 410 Gone
    33. 411 Length Required
    34. 412 Precondition Failed
    35. 413 Content Too Large
    36. 414 URI Too Long
    37. 415 Unsupported Media Type
    38. 416 Range Not Satisfiable
    39. 417 Expectation Failed
    40. 418 I'm a teapot
    41. 421 Misdirected Request
    42. 422 Unprocessable Entity
    43. 423 Locked
    44. 424 Failed Dependency
    45. 425 Too Early
    46. 426 Upgrade Required
    47. 428 Precondition Required
    48. 429 Too Many Requests
    49. 431 Request Header Fields Too Large
    50. 451 Unavailable For Legal Reasons
    51. 500 Internal Server Error
    52. 501 Not Implemented
    53. 502 Bad Gateway
    54. 503 Service Unavailable
    55. 504 Gateway Timeout
    56. 505 HTTP Version Not Supported
    57. 506 Variant Also Negotiates
    58. 507 Insufficient Storage
    59. 508 Loop Detected
    60. 510 Not Extended
    61. 511 Network Authentication Required
  25. CSP 指令
    1. CSP: base-uri
    2. CSP: block-all-mixed-content 已弃用
    3. CSP: child-src
    4. CSP: connect-src
    5. CSP：default-src
    6. CSP: fenced-frame-src 实验性
    7. CSP: font-src
    8. CSP: form-action
    9. CSP：frame-ancestors
    10. CSP: frame-src
    11. CSP: img-src
    12. CSP: manifest-src
    13. CSP: media-src
    14. CSP: object-src
    15. CSP: prefetch-src 非标准 已弃用
    16. report-to
    17. CSP: report-uri 已弃用
    18. CSP: require-trusted-types-for 实验性
    19. CSP: sandbox
    20. CSP: script-src
    21. CSP: script-src-attr
    22. CSP: script-src-elem
    23. CSP: style-src
    24. CSP: style-src-attr
    25. CSP: style-src-elem
    26. CSP: trusted-types 实验性
    27. CSP: upgrade-insecure-requests
    28. CSP: worker-src
  26. CORS 错误
    1. 原因：CORS disabled
    2. 原因：CORS header 'Access-Control-Allow-Origin' does not match 'xyz'
    3. 原因：CORS header 'Access-Control-Allow-Origin' missing
    4. 原因：CORS header 'Origin' cannot be added
    5. 原因：CORS preflight channel did not succeed
    6. 原因：CORS request did not succeed
    7. 原因：CORS request external redirect not allowed
    8. 原因：CORS request not HTTP
    9. 原因：Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*'
    10. 原因：Did not find method in CORS header 'Access-Control-Allow-Methods'
    11. 原因：expected 'true' in CORS header 'Access-Control-Allow-Credentials'
    12. 原因：invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers'
    13. 原因：invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'
    14. 原因：missing token 'xyz' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel
    15. 原因：Multiple CORS header 'Access-Control-Allow-Origin' not allowed
  27. 权限策略指令
    1. Permissions-Policy: accelerometer 实验性
    2. Permissions-Policy: ambient-light-sensor 实验性
    3. Permissions-Policy: attribution-reporting 实验性
    4. Permissions-Policy: autoplay 实验性
    5. Permissions-Policy: bluetooth 实验性
    6. Permissions-Policy: browsing-topics 实验性 非标准
    7. Permissions-Policy: camera 实验性
    8. Permissions-Policy: compute-pressure 实验性
    9. Permissions-Policy: display-capture 实验性
    10. Permissions-Policy: document-domain 实验性
    11. Permissions-Policy: encrypted-media 实验性
    12. Permissions-Policy: fullscreen 实验性
    13. Permissions-Policy: gamepad 实验性
    14. Permissions-Policy: geolocation 实验性
    15. Permissions-Policy: gyroscope 实验性
    16. Permissions-Policy: hid 实验性
    17. Permissions-Policy: identity-credentials-get 实验性
    18. Permissions-Policy: idle-detection 实验性
    19. Permissions-Policy: local-fonts 实验性
    20. Permissions-Policy: magnetometer 实验性
    21. Permissions-Policy: microphone 实验性
    22. Permissions-Policy: midi 实验性
    23. Permissions-Policy: otp-credentials 实验性
    24. Permissions-Policy: payment 实验性
    25. Permissions-Policy: picture-in-picture 实验性
    26. Permissions-Policy: publickey-credentials-create 实验性
    27. Permissions-Policy: publickey-credentials-get 实验性
    28. Permissions-Policy: screen-wake-lock 实验性
    29. Permissions-Policy: serial 实验性
    30. Permissions-Policy: speaker-selection 实验性
    31. Permissions-Policy: storage-access 实验性
    32. Permissions-Policy: usb 实验性
    33. Permissions-Policy: web-share 实验性
    34. Permissions-Policy: window-management 实验性
    35. Permissions-Policy: xr-spatial-tracking 实验性
  28. HTTP 资源与规范

在本文中

  • 状态码
  • 规范
  • 浏览器兼容性
  • 参见

103 Early Hints

103 Early Hints 信息状态响应码，一般和 Link header（首部）一起使用，来允许用户在服务器还在准备响应数据的时候预加载一些资源。

状态码

103 Early Hints

规范

Specification
An HTTP Status Code for Indicating Hints
# early-hints
HTML Standard
# early-hints

浏览器兼容性

BCD tables only load in the browser

参见

  • Link

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