HTTP (Hypertext Transfer Protocol) is a request-and-response mode-based, stateless, application-level protocol, often based on TCP connection, HTTP1.1 version of a continuous connection mechanism, the vast majority of web development, is built on the HTTP protocol on the Web application. The HTTP URL (a URL is a special type of URI that contains enough information to find a resource) is in the following format: http://host[":" Port][abs_path]http means to locate network resources through the HTTP protocol ; Host represents a legitimate Internet host domain name or IP address; port specifies a port number, and NULL uses the default port 80;abs_path to specify the URI of the requested resource, and if Abs_path is not given in the URL, it must be "/" when it is the request URI. In the form given, usually this work browser automatically helps us finish. For example: input: www.guet.edu.cn browser automatically converted to: http://www.guet.edu.cn/
HTTP protocol URL
