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Jewel @mkjuel
Common HTTP Error Codes and Their Meanings

When browsing the web, we often encounter various HTTP error codes. These codes provide insight into why a server couldn’t complete our request. Here’s an overview of key HTTP error codes from 400 to 503 and their meanings.

1. 400 Bad Request: The request was sent incorrectly, so the server couldn’t understand it.

2. 401 Unauthorized: Authentication is required to access the resource.
402 Payment Required: Reserved for future use, generally indicating payment is needed.

3. 403 Forbidden: Access is not permitted; the server refuses to provide access.

4. 404 Not Found: The requested resource could not be found on the server.

5. 405 Method Not Allowed: The request method is not allowed for the requested resource.

6. 406 Not Acceptable: No suitable response found for the request.

7. 407 Proxy Authentication Required: Authentication is needed through a proxy server.

8. 408 Request Timeout: The server timed out waiting for the request.

9. 409 Conflict: There is a conflict with the current server state.

10. 410 Gone: The resource has been permanently removed.

11. 411 Length Required: The request requires a Content-Length header.

12. 412 Precondition Failed: A precondition in the request was not met.

13. 413 Payload Too Large: The request payload is too large.

14. 414 URI Too Long: The requested URI (Uniform Resource Identifier) is too long.

15. 415 Unsupported Media Type: The media type of the request is unsupported.

16. 416 Range Not Satisfiable: The requested range cannot be fulfilled.

17. 417 Expectation Failed: The server cannot meet the requirements of the Expect header.

18. 418 I'm a teapot: A playful code; not used in practice.

19. 421 Misdirected Request: The request was sent to the wrong server.

20. 422 Unprocessable Entity: The server cannot process the request.

21. 423 Locked: The requested resource is locked.

22. 424 Failed Dependency: The request failed due to a previous failed request.

23. 425 Too Early: The request was made too soon.

24. 426 Upgrade Required: A protocol upgrade is required.

25. 428 Precondition Required: The request needs a precondition.

26. 429 Too Many Requests: Too many requests were made in a short time.

27. 431 Request Header Fields Too Large: The header fields are too large.

28. 451 Unavailable For Legal Reasons: Access to the resource is restricted due to legal reasons.

29. 500 Internal Server Error: A generic server error.

30. 501 Not Implemented: The server does not support the required functionality.

31. 502 Bad Gateway: Received an invalid response from an intermediary server.

32. 503 Service Unavailable: The server is temporarily offline.

These codes help diagnose website issues and enable quick responses to specific problems.
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