The Status-Code element in a server response, is a 3-digit integer where the first digit of the Status-Code defines the class of response and the last two digits do not have any categorization role. There are 5 values for the first digit:
1xx: Informational : It means the request has been received and the process is continuing.
2xx: Success : It means the action was successfully received, understood, and accepted.
3xx: Redirection : It means further action must be taken in order to complete the request.
4xx: Client Error : It means the request contains incorrect syntax or cannot be fulfilled.
5xx: Server Error : It means the server failed to fulfill an apparently valid request.
https://www.infobrez.com/construction-crm-software In construction, CRM stands for client relationship management. The construction industry revolves around relationships. Clients often award expensive, high-profile projects based on how well they know and trust a firm. Each point of communication with a client will strengthen or weaken that trust.