🌱 System Design (Beginner) · Interview Questions (Beginner) · cozy lesson
Design TinyURL
12 min · 1 min read · no scary math, promise
🤖
You’ve got this. Read a little, play a little — I’ll wait. No rush.
POST /shorten {url} → id → abc123. GET /abc123 → 302. DB: id→url. Cache hot 20%. Rate limit POST. Scale: replicas + sharding by id.
💛 Enjoying? Try 5 playful quizzes or watch it move.
Check your understanding
Correct answers earn XP (once each).
1. ID strategy beginner?
2. Read path?
My notes (saved in this browser)
Select text above → Save selection, or write your own. AlgoMaster-style notebook, local-first for MVP.
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Finished reading? Seal it with a tick ✅
The checkbox in the explorer turns green too — same progress.