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Performance

Essays on building fast, beautiful web apps and the craft behind them.

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Wealthsimple: one year post-acquisition
September 3rd, 2026•performance.dev
Reverse Engineering ChatGPT Web: How OpenAI Built for a Billion Users
July 2nd, 2026•performance.dev
The Conductor Rewrite: What They Changed to Make It Fast
June 1st, 2026•performance.dev
How's Linear so fast? A technical breakdown
May 3rd, 2026•performance.dev