This post is also available in 简体中文, 繁體中文, 日本語, 한국어, Deutsch, Français, Español and Português. At over thirty years old, HTTP is still the foundation of the web and one of the Internet’s most popular protocols—not just for browsing, watching videos and listening to music, but also for apps, machine-to-machine communication, and even as a basis for building other protocols, forming what some refer