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Overview
Essays on building fast, beautiful web apps and the craft behind them.
News
Reverse Engineering ChatGPT Web: How OpenAI Built for a Billion Users
A technical deep dive into how OpenAI built ChatGPT's web app: React Router 7, streaming SSR, code splitting, and feature flags at billion-user scale.
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The Conductor Rewrite: What They Changed to Make It Fast
How Conductor rebuilt its app twice as fast: local-first SQLite, Tauri over Electron, TanStack Router, react-virtuoso, and Node to Bun.
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How's Linear so fast? A technical breakdown
breakdown of the architecture behind Linear's speed: local-first sync, MobX observables, instant first loads, and a keyboard-first design.
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