Kent C. Dodds • 9/1/2019

Profile a React App for Performance

This article provides a step-by-step tutorial on using the React DevTools Profiler to identify performance bottlenecks in a React application. It walks through installing the extension, starting a profiling session, and exploring the resulting data. Crucially, it highlights a common pitfall: profiling in development mode, which includes performance-costly warnings, and advises profiling a production build for accurate measurements.

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#React #performance #react devtools