5xx Server Error -

The server is temporarily overloaded or down for maintenance. Gateway Timeout

The server took too long to get a response from an upstream server. Bandwidth Limit Exceeded 5xx Server Error

A "5xx Server Error" report indicates that a website's server encountered a problem that prevented it from fulfilling a user's or a crawler's request . Unlike 4xx errors, which usually mean a user made a mistake, 5xx errors mean the is at fault. Common 5xx Error Types Status Code Likely Cause 500 Internal Server Error The server is temporarily overloaded or down for maintenance