Computer Networking and HTTP for Non-Majors

Have you ever felt lost when developers start talking about DNS, IP routing, status codes, or TLS handshakes? For self-taught developers and tech professionals without a computer science degree, the underlying network layer of the web can feel like a black box. This course demystifies how the internet works, breaking down complex engineering concepts into clear, digestible explanations. You will transition from simply writing code to understanding exactly how your application communicates across the globe. What you'll learn: Understand core networking concepts like IP addresses, the TCP/IP stack, and the client-server model; Demystify the DNS lookup process and how domain names map to servers; Construct and analyze HTTP requests and responses, including headers, status codes, and methods; Secure web traffic using HTTPS, TLS certificates, and modern authentication tokens; Explore modern web protocols including HTTP/2 and HTTP/3 for faster performance; Inspect and debug network traffic using browser developer tools and command-line utilities. We begin with the absolute basics of network architecture and hardware routing, then progress step-by-step through the layers of the web, culminating in hands-on analysis of HTTP messages and modern security standards. This text-based course is designed specifically for beginners, career changers, and non-CS majors with no prior background in networking. Start reading today to demystify the web and level up your technical confidence.