Content-Type, content type, usually refers to the existence of Content-Type in the web page, used to define the type of web files and web page coding, browser determines what form, what encoding to read this file, which is often seen Some Asp
When a visitor visits a webpage, the browser of the visitor makes a request to the server where the webpage is located. When the browser receives and displays the web page, the server on which the web page resides returns a server header containing the HTTP status code to respond to the browser's request.
According to the HTTP standard, HTTP requests can use a variety of request methods. HTTP1.0 defines three request methods: GET, POST, and HEAD methods. HTTP1.1 added five new request methods: OPTIONS, PUT, DELETE, TRACE, and CONNECT methods.