performance
Profiling React Renders With the DevTools Profiler
A hands-on workflow for using the React DevTools Profiler to find and...
React TypeScript JavaScript
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React & TypeScript.
Practical, in-depth guides on React, TypeScript, and modern frontend development - written by engineers, for engineers.
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tooling
Vite 6 Environment API: A Guide to Multi-Target Builds
Vite 6's Environment API lets one config define SSR, edge, and client...
react
React Server Actions: Mutations Without API Routes
React Server Actions let a form submit directly to server code, no...
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The TypeScript cheat sheet.
Utility types, conditional types, and every TS 5.x and 6.0 addition worth knowing, on two printable pages. One email a week, no filler.