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HTTP 상태 코드 목록·의미·해결 방법

HTTP 상태 코드 100~511의 의미, 원인, 해결 방법, 재시도 및 캐시 가능 여부를 검색하고 비교하는 무료 목록입니다.

Search by code, name, and meaning

/You can also move to the search field using the key. Example:404Additional information for this feature.retrycache

HTTP status code list

Select a code to display its meaning and practical considerations.

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meaning
200

OK success

Additional information for this feature.

Compare similar code

You can check codes that are easy to use, such as 301 and 308, 401 and 403, 429 and 503, side by side.

Additional information for this feature.왼쪽오른쪽

이 도구에 대하여

View status codes for use in HTTP response investigation, API design, troubleshooting, and web server configuration, with references to IANA registration information and RFCs.

지원 기능

  • Codes from 1xx to 5xx registered with IANA
  • Search for codes, English names, Japanese names, meanings, and related headers
  • Cause, countermeasure, retry, cache, comparison of similar code
  • Copy code, response examples, and Markdown

사용 방법

  1. Search for codes and error messages.
  2. Select the target code from the list and check the details.
  3. Copy

Additional information for this feature.

Additional information for this feature.IANA HTTP Status Code Registry /Basic specifications:RFC 9110

이 도구에 대하여

You can check the meaning and practical measures of HTTP status codes used in API development, web server settings, and browser error investigation.

지원 기능

  • IANA registered 1xx to 5xx codes, English name, Japanese name, RFC reference
  • Search, classification/use filter, similar code comparison, response example/Markdown copy

사용 방법

  1. Search by code, name, meaning, and related headers.
  2. Select the target code from the list and read the cause and check points on the client/server side.
  3. Copy

제한 사항

  • Non-standard code uniquely defined by frameworks or CDNs is not included.
  • Please also check the response text, header, server log, and specifications of the service being used to determine the actual cause of the failure.

개인정보 보호: Search, compare, and copy are done within the browser; your searches are not sent or saved to the Develop Tools server.