After the web browser makes an HTTP request, the web server sends back an HTTP response containing the web data. The HTTP response contains the HTTP Status Code, Headers, and body. The body is always optional. When a web page is requested, if successful, the body contains the web page data.
The response might look something like this:
HTTP/1.1 200 OK
Server: Apache/2.2.16 (Unix)
Content-type: text/html; charset=UTF-8
Content-length: 2865
Last-Modified: Saturday, 3 Oct 2020 06:06:06 GMT
Connection: Closed