The original title is "How the Internet Works: From Typing a URL to Seeing a Website"

Short summary

Essential guide to web infrastructure: from DNS lookups converting domain names to IP addresses, through HTTP request-response cycles, to browser rendering. Covers IP addressing (IPv4/IPv6), DNS resolution, web hosting, HTTPS encryption, and the complete rendering pipeline—foundational knowledge for anyone building web applications.

• •DNS converts human-readable domain names to IP addresses through multi-step lookups with caching
• •HTTP defines browser-server communication via methods (GET, POST, PUT, DELETE) and status-code responses (200, 404, 500, etc.)
• •Browsers render pages by parsing HTML, downloading CSS/JavaScript, building the DOM/CSSOM, and calculating layout before painting pixels

Generated with AI, which can make mistakes.