# React Scan: visually locate costly renders

Canonical source : [React Scan: visually locate costly renders](<https://sebastien.rigaux.be/en/tech-watch/links/react-scan-visually-locate-costly-renders>)

React Scan highlights components worth inspecting for performance problems. Script and package integrations support an initial diagnosis without rewriting application components.

- Selected on : 2024-11-24

- Entry updated : 2026-10-14T07:00:28+0000

- Format : Tool

- Source language : EN

Original resource : [React Scan: visually locate costly renders](<https://react-scan.com/>)

Tags : [React](<https://sebastien.rigaux.be/en/tech-watch/tags/react>) · [Web Performance](<https://sebastien.rigaux.be/en/tech-watch/tags/web-performance>)

Available versions : [Français](<https://sebastien.rigaux.be/veille/liens/react-scan-reperer-visuellement-les-rendus-couteux>) · [English](<https://sebastien.rigaux.be/en/tech-watch/links/react-scan-visually-locate-costly-renders>)

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