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HTTP (HyperText Transfer Protocol) is the foundation of data communication on the Web. Every time you visit a website or your application fetches data from an API, HTTP is the protocol making it possible.
In this unit, you’ll learn how HTTP works. We’ll cover the request-response cycle, HTTP methods (GET, POST, PUT, DELETE), status codes, headers, and how browsers and servers communicate. Understanding HTTP is essential for anyone building web applications, as it affects everything from API design to performance optimization.
HTTP knowledge will help you debug network issues, design better APIs, and understand how the web works at a fundamental level.