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Design a URL Shortener

APIs · Databases · Caching · greeting

Rapid fire modeInterview Learn

00:00End interview

EasyTopicsAPIs · Databases · CachingCompaniesAmazon · Google · Meta

Question

Design a URL shortener like Bitly. Users submit a long URL and receive a short code that redirects to the original.

Consider

Short URL generation
Database design
Redirects
Caching
Scaling to billions of URLs
Availability vs. consistency

idle

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Owl · Mock interview — Design a URL Shortener. I ask; you answer.

Owl · Go ahead and start whenever you're ready.

Larry’s gold answer — Show text to read it out loud.

Larry · gold answer · Sure. Before I jump into the architecture, I'd like to clarify a few requirements. Are users allowed to create multiple short URLs for the same long URL?

Owl: Go ahead and start whenever you're ready.

You: —