Protocols
HTTP
HTTP (Hypertext Transfer Protocol) is an application-layer protocol for transmitting hypermedia documents, such as HTML. It was designed for communication between web browsers and web servers, but it can be used for other purposes as well. HTTP follows a classical client-server model, with a client opening a connection to make a request, then waiting until it receives a response from the server.
- Created by
- Tim Berners-Lee
- First appeared
- 1991
- Official resource
- Visit the main website
Your first program
Hello, World!
GET /hello.txt HTTP/1.1
Host: www.example.comKeep learning
Where to go from here
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Official resource
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Use a focused prompt covering strengths, tradeoffs, setup, and this first program.
Teach me the basics of HTTP. Use https://code.study/http as the starting point. Explain what HTTP is best suited for, when I should not choose it, how to install or try it, and then walk me through its Hello World example step by step.
Content reviewed August 2026 · Start with primary sources and verify version-specific details.