Lesson 10 · 14 min
Case study: a URL shortener
A classic interview problem from requirements to scaling, step by step.
14 minLesson 10 of 10Practice includedAsk AI on any point
The task: design a service like bit.ly. A user submits a long link and gets a short one, sho.rt/aZ3kP9q, and following the short link leads to the original. Let us go through all four steps of the session from the first lesson.
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