🌱 System Design (Beginner) · Foundations · cozy lesson
DNS, HTTP, TCP in 10 Minutes
10 min · 1 min read · no scary math, promise
🤖
You’ve got this. Read a little, play a little — I’ll wait. No rush.
URL → DNS → TCP handshake → TLS → HTTP GET → LB → app → DB/cache → HTML. HTTPS = HTTP + TLS. Keep-alive + CDN cut repeats.
💛 Enjoying? Try 5 playful quizzes or watch it move.
Check your understanding
Correct answers earn XP (once each).
1. DNS does…
2. TCP vs UDP?
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The checkbox in the explorer turns green too — same progress.