HTTP Codes: What They Mean ?

1xx Informational

1. 100 Continue: Server agrees to continue with the client's request.

2. 101 Switching Protocols: Server switches protocols as requested by the client.

3. 102 Processing: Request received, and the server is continuing processing.

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2xx Success

1. 200 OK: The request was successful.

2. 201 Created: Request resulted in a new resource created.

3. 202 Accepted: Request accepted, but processing is not complete.

4. 203 Non-Authoritative Information: Request processed, but from a third-party source.

5. 204 No Content: Request processed successfully with no additional content.

6. 205 Reset Content: Clear input fields for user form.

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3xx Redirection

1. 300 Multiple Choices: Multiple options available; user-agent can select one.

2. 301 Moved Permanently: Resource moved permanently to a new location.

3. 302 Found (or 303 See Other): Resource temporarily at a different location.

4. 304 Not Modified: Resource not modified since last requested.

5. 307 Temporary Redirect: Requested page temporarily resides under a different URL.

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4xx Client Errors

1. 400 Bad Request: Server cannot process the request due to client error.

2. 401 Unauthorized: Authentication required for access.

3. 402 Payment Required: Payment needed for further access.

4. 403 Forbidden: Server understands the request but refuses to authorize.

5. 404 Not Found: Requested resource not found.

6. 405 Method Not Allowed: Request method not supported.

7. 406 Not Acceptable: Requested resource cannot generate the response meeting the list of acceptable values.

8. 407 Proxy Authentication Required: Proxy needs authentication.

9. 408 Request Timeout: Server timed out while waiting for a request.

10. 409 Conflict: Request conflicts with the current state of the server.

11. 410 Gone: Requested resource is no longer available.

12. 411 Length Required: Content-Length not defined.

13. 412 Precondition Failed: Precondition in the request header evaluated to false.

14. 413 Payload Too Large: Request entity too large.

15. 414 URI Too Long: URI requested is too long.

16. 415 Unsupported Media Type: Request entity has a media type not supported by the server.

17. 416 Range Not Satisfiable: Requested range not available.

18. 417 Expectation Failed: Expectation specified in the Expect header cannot be met.

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5xx Server Errors

1. 500 Internal Server Error: Generic error message for an unexpected condition.

2. 501 Not Implemented: Server does not support the functionality.

3. 502 Bad Gateway: Server acting as a gateway received an invalid response.

4. 503 Service Unavailable: Server temporarily unable to handle the request.

5. 504 Gateway Timeout: Server acting as a gateway did not receive a timely response.

6. 505 HTTP Version Not Supported: Server does not support the HTTP protocol version used.

Wrapping Up:

Guess 404 is the one code that we are all familiar with ourselves😉
How many of these did you know? Let me know in the comments

Thanks for reading :)
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