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ITPUB
Apr 25, 2026 · Interview Experience

How to Design a Billion‑Scale URL Shortening System for an Interview

This article walks through the complete interview‑style design of a billion‑scale URL shortener, covering requirements, capacity estimation, API definitions, database schema, short‑code generation algorithms, sharding, caching, load balancing, rate limiting, and expiration handling, while illustrating each step with concrete examples and calculations.

CachingURL shortenerapi-design
0 likes · 24 min read
How to Design a Billion‑Scale URL Shortening System for an Interview
IT Services Circle
IT Services Circle
Sep 15, 2025 · Backend Development

How to Ace a Billion‑Scale URL Shortening System Design Interview

This article walks through the complete design of a high‑performance, highly available URL shortener—covering business value, requirement analysis, capacity estimation, API definitions, database schema, key generation algorithms, sharding, caching, load balancing, and expiration cleanup—so you can impress interviewers with a thorough, scalable solution.

URL shortenerapi-designbackend architecture
0 likes · 25 min read
How to Ace a Billion‑Scale URL Shortening System Design Interview
21CTO
21CTO
Aug 2, 2024 · Product Management

Why Google’s goo.gl Shutdown Matters and Which URL Shortener to Use Next

The article explains how Google’s decision to retire the goo.gl URL shortener impacts users, outlines the timeline of its phase‑out, and evaluates alternative services such as Firebase Dynamic Links, Bitly, TinyURL and dub.co, highlighting the challenges of relying on a single provider.

BitlyFirebase Dynamic LinksGoogle
0 likes · 4 min read
Why Google’s goo.gl Shutdown Matters and Which URL Shortener to Use Next
Goodme Frontend Team
Goodme Frontend Team
May 24, 2024 · Frontend Development

Explore Cutting‑Edge Frontend & Backend Tools: React Compiler, Deno JSX, Image Loading Hacks

This curated roundup highlights recent technical resources—including React Compiler, Deno's JSX migration, Node v22.2.0, image loading optimizations, short‑URL generation, hooks ref handling, HTTP proxy solutions, and notification system design—to keep developers up‑to‑date with modern web development practices.

HTTP proxyNode.jsNotification System
0 likes · 5 min read
Explore Cutting‑Edge Frontend & Backend Tools: React Compiler, Deno JSX, Image Loading Hacks
ELab Team
ELab Team
Jun 13, 2022 · Backend Development

How Short URLs Are Built: From Hashes to Snowflake IDs

Short URLs are essential for many scenarios, and this article explores their components, including domain and path design, and dives into various path generation methods such as hash functions, auto‑increment IDs, distributed Snowflake algorithms, base‑62 encoding, and the trade‑offs between 301 and 302 redirects.

ID generationRedirectSnowflake
0 likes · 8 min read
How Short URLs Are Built: From Hashes to Snowflake IDs