Design URL Shortener

Problem Statement

Design a service that converts long URLs into short, unique aliases (e.g., tinyurl.com/abc123) and redirects users to the original URL when accessed.

Features your design needs to accomplish

• Generate unique short URLs (6-8 characters)
• Redirect users from short URLs to original URLs
• Allow custom short URLs (e.g., tinyurl.com/google)
• Track basic analytics (click count, referrer domains)

Qualities you design needs to accomplish

• Handle 10M+ URL shortens per day
• Redirect latency < 100ms
• 99.9% availability

Author: Akhil Singh Chauhan