Many of us have worked with abstractions over Web technologies such as HTTP, but REST, HTML5, and WebSocket are requiring us to understand how the Web really works. What actually happens when a Web browser opens a Web page? What is the connection between session state and cookies? How do HTML, CSS, and JavaScript work together? This session starts at the beginning and walks through the Web’s fundamental building blocks.
https://www.youtube.com/watch?v=t3xrHaqX2tc