HTTP status codes are divided into five categories indicating different server responses to the browser.1XX codes are for informational purposes, indicating that the server is processing the request.2XX codes signify successful request processing by the server.3XX codes are for redirection, indicating that the requested resource has moved.4XX codes are client errors caused by issues like invalid requests or missing resources.5XX codes are server errors when the server fails to fulfill a valid request.HTTP status codes include temporary informational codes like 100 (Continue) and 101 (Switching Protocols).Successful codes like 200 (OK) and 201 (Created) indicate successful request handling.Redirection codes like 301 (Moved Permanently) inform that the resource has moved permanently.Client error codes such as 400 (Bad Request) result from issues on the client side.