Responses to HTTP header requests are crucial component of HTTP communications between a client (such as a web browser) and server. Server's response to an HTTP request from a client includes an HTTP header and an optional response body. The main purpose of an HTTP response header is to facilitate communication with and response to user requests sent to a Web server.
When a webpage or HTTP request is created by the client's web browser, HTTP response headers function. The host address, data type, and destination IP address are among the header information in an HTTP response.