Common error codes

200 OK * Not a error code, but you rarely see this. This means that the page can be accessed. The Standard response for a successful http request.

201 Created *

204 No Content *

400 Bad Request Request had bad syntax or was impossible to fulfill

401 Unauthorized User failed to provide a valid user name/password required for access to a file/directory

403 Forbidden

404 Not Found – The most common error on the internet.

408:Request Time-Out

409 Conflict (part of the top ten but less known)

410 Gone

500 Internal Server Error

502 Bad Gateway

503 Service Unavailable or Out of Resources: Server cannot process the request due to a system overload; should be a temporary condition

504 Gateway Timeout Service did not respond within the time frame that the gateway was willing to wait