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Web Dev + WordPress + Security

HTTP Error Codes

A list of HTTP Error codes and corresponding definitions:

Informational Codes

  • 100 — Continue
  • 101 — Switching Protocols

Successful Client Requests

  • 200 — OK
  • 201 — Created
  • 202 — Accepted
  • 203 — Non-Authoritative Information
  • 204 — No Content
  • 205 — Reset Content
  • 206 — Partial Content

Client Request Redirected

  • 300 — Multiple Choices
  • 301 — Moved Permanently
  • 302 — Moved Temporarily
  • 303 — See Other
  • 304 — Not Modified
  • 305 — Use Proxy
  • 307 — Temporary Redirect

Client Request Errors

  • 400 — Bad Request
  • 401 — Authorization Required
  • 402 — Payment Required (not used yet)
  • 403 — Forbidden
  • 404 — Not Found
  • 405 — Method Not Allowed
  • 406 — Not Acceptable (encoding)
  • 407 — Proxy Authentication Required
  • 408 — Request Timed Out
  • 409 — Conflicting Request
  • 410 — Gone
  • 411 — Content Length Required
  • 412 — Precondition Failed
  • 413 — Request Entity Too Long
  • 414 — Request URI Too Long
  • 415 — Unsupported Media Type
  • 416 — Requested Range Not Satisfiable
  • 417 — Expectation Failed

Server Errors

  • 500 — Internal Server Error
  • 501 — Not Implemented
  • 502 — Bad Gateway
  • 503 — Service Unavailable
  • 504 — Gateway Timeout
  • 505 — HTTP Version Not Supported

Jeff Starr
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Perishable Press is operated by Jeff Starr, a professional web developer and book author with two decades of experience. Here you will find posts about web development, WordPress, security, and more »
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