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.
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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