
HTTP/1.1 was the protocol of the web for two decades. HTTP/2 finally fixed its biggest performance limitations -- but introduced a new one (head-of-line blocking on TCP). HTTP/3 fixes that by abandoning TCP entirely. The history isn't trivia; it explains why your CDN config matters, why HTTP/2 multiplexing is a game-changer, and why mobile browsers are quietly using QUIC right now.
Engineering Craft
TypeScript, CI/CD, databases, observability -- the skills that make code production-ready.