HTTP response status codes indicate whether a specific HTTP request has been successfully completed.
• Informational responses (100–199)
• Successful responses (200–299)
• Redirects (300–399)
• Client errors (400–499)
• Server errors (500–599)
100: Continue
101: Switching Protocol
102: Processing (WebDAV)
103:Checkpoint (Unofficial)
110: Response is Stale (CWA)
111: Revalidation Failed (CWA)
112: Disconnected Operation (CWA)
113: Heuristic Expiration (CWA)
199: Miscellaneous Warning (CWA)
200: OK
201: Created
202: Accepted
203: Non-Authoritative Information
204: No Content
205: Reset Content
206: Partial Content
207: Multi-Status (WebDAV)
208: Already Reported (WebDAV)
214: Transformation Applied (CWA)
218: This is Fine (Unofficial)
226: IM Used (HTTP Delta encoding)
299: Miscellaneous Persistent Warning (CWA)
300: Multiple Choice
301: Moved Permanently
302: Found
303: See Other
304: Not Modified
305: Use Proxy
306: unused
307: Temporary Redirect
308: Permanent Redirect
400: Bad Request
401: Unauthorized
402: Payment Required
403: Forbidden
404: Not Found
405: Method Not Allowed
406: Not Acceptable
407: Proxy Authentication Required
408: Request Timeout
409: Conflict
410: Gone
411: Length Required
412: Precondition Failed
413: Payload Too Large
414: URI Too Long
415: Unsupported Media Type
416: Range Not Satisfiable
417: Expectation Failed
418: I'm a teapot
419: Page Expired (LF)
420: Enhance Your Calm (TWT)
420: Method Failure (SF)
421: Misdirected Request
422: Unprocessable Entity (WebDAV)
423: Locked (WebDAV)
424: Failed Dependency (WebDAV)
425: Too Early
426: Upgrade Required
428: Precondition Required
429: Too Many Requests
430: Request Header Fields Too large (Used By Shopify)
431: Request Header Fields Too Large
440: Login Time-out (IIS)
444: Connection Closed Without Response
444:No Response (Nginx)
449: Retry With (IIS)
450: Blocked By Parental Control (MS)
451: Unavailable For Legal Reasons
451: Redirect (IIS)
494: Request Header too Large (Nginx)
495: SSL Certificate Error (Nginx)
496: SSL Certificate Required (Nginx)
497: HTTP Request Sent to HTTPS Port (Nginx)
498: Invalid Token (Esri)
499: Token Required (Esri)
499: Client Closed Request (Nginx)
500: Internal Server Error
501: Not Implemented
502: Bad Gateway
503: Service Unavailable
504: Gateway Timeout
505: HTTP Version Not Supported
506: Variant Also Negotiates
507: Insufficient Storage (WebDAV)
508: Loop Detected (WebDAV)
509: Bandwith Limit Exceeded
510: Not Extended
511: Network Authentication Required
520: Web Server Returned an Unknown Error (CF)
521: Web Server Is Down (CF)
522: Connection Timed Out (CF)
523: Origin Is Unreachable (CF)
524: A Timeout occurred (CF)
525: SSL Handshake Failed (CF)
526: Invalid SSL Certificate (CF)
527: Railgun Error (CF)
529: Site is Overloaded
530: Site is Frozen
561: Unauthorized (AWS)
598: Network Read Timeout
599: Network Connect Timeout Error
//
( CWA ) = Caching Warning Codes.
(WebDAV) = WebDAV stands for "Web-based Distributed Authoring and Versioning". It is a set of extensions to the HTTP protocol which allows users to collaboratively edit and manage files on remote web servers.
(SF) = Spring Framework
(LF) = Laraval Framework
(TWT) = Twitter
(MS) = Microsoft
(IIS) = Internet Information Services
(Nginx) = NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. NGINX is known for its high performance, stability, rich feature set, simple configuration, and low resource consumption.
(CF) = Cloudflare
(AWS)= Amazon Web Server
Enjoy and Thank me later.
