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. Gateway Timeout 5xx Server Error
Search engines like Google may stop crawling or even de-index pages that frequently return 5xx errors. A "5xx Server Error" report indicates that a