error 504 code example
Example 1: error 503
A 503 Service Unavailable Error is an HTTP response status code indicating that a server is temporarily unable to handle the request. This may be due to the server being overloaded or down for maintenance. This particular response code differs from a code like the 500 Internal Server Error we explored some time ago
Example 2: http 504
504 Gateway Timeout
Example 3: http status 502
502 Bad Gateway