Explain how HTTP works.
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HTTP, or HyperText Transfer Protocol, is the foundation of data communication on the web. It’s a protocol used by web browsers and servers to communicate and transfer information. Here’s how it works:
1.Client Request: When you type a URL into your web browser and hit enter, your browser (the client) sends an HTTP request to the server. This request is like asking a shopkeeper for a specific item.
Example: Typing “www.example.com” sends a request to the server hosting that website.
2.Server Response: The server receives the request and processes it. If the requested resource (like a webpage or an image) is available, the server sends back an HTTP response with the requested data. This response includes status codes indicating if the request was successful (e.g., 200 OK) or if there were errors (e.g., 404 Not Found).
Example: The server sends back the homepage of “www.example.com” with a status code of 200 OK.
3. Display: Your browser receives the server’s response and displays the content on your screen.
Example Scenario
Request: You visit “www.wikipedia.org”. Your browser sends an HTTP GET request to Wikipedia’s server asking for the homepage.
Response: Wikipedia’s server processes the request and sends back the HTML content of the homepage.
Display: Your browser displays Wikipedia’s homepage using the received HTML content.
HTTP is stateless, meaning each request-response pair is independent, without remembering previous interactions. This simplicity makes HTTP a versatile and widely used protocol for web communication.
HTTP :- HTTP (Hypertext Transfer Protocol) is a fundamental protocol of the Internet, enabling the transfer of data between a client and a server. It is the foundation of data communication for the World Wide Web.
HTTP provides a standard between a web browser and a web server to establish communication. It is a set of rules for transferring data from one computer to another. Data such as text, images, and other multimedia files are shared on the World Wide Web. Whenever a web user opens their web browser, the user indirectly uses HTTP. It is an application protocol that is used for distributed, collaborative, hypermedia information systems.
How HTTP Works