You use HTTP or Hypertext Transfer Protocol for transmitting and receiving information across the Internet. It is the foundation of data communication for the World Wide Web. HTTP defines how you must format messages. It also defines how you share the messages and what actions web servers and browsers should take in response to them.
HTTP is a request/response protocol that runs over TCP/IP. The client (i.e., your browser) sends a request to the server with some method (e.g., GET, POST), path (e.g., /index.html), and a set of headers (e.g., Accept: text/Html). The server sends back some data as its response wrapped up in another set of headers and a footer (typically just a newline character).
HTTP is a stateless protocol. Stateless protocol means that each request by the browser is handled independently of previous requests, even if they were made only seconds apart. In short, HTTP is an essential part of the Internet that plays a vital role in our daily lives.
