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React Scan detects performance issues in your React app.
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Previously, tools like [<Profiler />](https://react.dev/reference/react-devtools), [Why Did You Render?](https://github.com/welldone-software/why-did-you-render), and [React Devtools](https://legacy.reactjs.org/blog/2018/09/10/introducing-the-react-profiler.html) required lots of manual code change, lacked simple visual cues, and had a high noise-to-signal ratio.
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Previously, tools like [`<Profiler />`](https://react.dev/reference/react-devtools), [Why Did You Render?](https://github.com/welldone-software/why-did-you-render), and [React Devtools](https://legacy.reactjs.org/blog/2018/09/10/introducing-the-react-profiler.html) required lots of manual code change, lacked simple visual cues, and had a high noise-to-signal ratio.
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Instead, React Scan automatically detects and highlights components that cause performance issues. This filters out the noise and shows you exactly what you need to fix.
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