HTTP, or Hypertext Transfer Protocol, is a foundational technology that enables users to interact with the Internet by requesting and receiving information from websites. As outlined in the article "How does HTTP work?" published by DEV Community, HTTP facilitates the communication between clients and servers, allowing web pages and resources to be accessed seamlessly. This protocol is essential for the online experience, as it governs the transfer of data that users rely on when browsing the web. Without HTTP, the process of retrieving information from websites would not function efficiently, highlighting its critical role in internet usage. The article emphasizes that understanding HTTP is key to comprehending how the web operates at a fundamental level. Overall, HTTP's function as a communication protocol underscores its importance in the digital landscape.