Glossary term
What is Profiler (React Profiler)?
Profiler stands for React Profiler.
A React DevTools panel. It records renders and shows which components rendered, how long it took and why.
Learn it properly · Scenario DebuggingLesson 3: Unnecessary Re-renders: Finding and Fixing ThemThe React Profiler, context updates that re-render every consumer, props that change each time, using memo on purpose and not everywhere, and what the React Compiler changes.