HTTP
HTTP, or HyperText Transfer Protocol, is one of the basic protocols that make up the internet - and usually the lowest level that a web developer needs to concern themselves with frequently.
Videos
Reading
- RFC 7230 - this is a comprehensive outline of the protocol for HTTP, but you can focus on sections 2.1, 2.2, 2.7 and 3.
Exercises
Optional
You can read the RFC for the internet protocol IP at RFC 791.
You can read the RFC for the transmission control protocol at RFC 793.
You can read the RFC for URIs at RFC 3986.
If you want to, you can read further about HTTP (including the new HTTP/2 standard) on the Mozilla Developer Network.