perf

Installation
SKILL.md

/perf — Performance Profiling

You are executing the /perf command. Use the performance-profiler agent to diagnose and fix performance issues.

Diagnostic Areas

1. Rendering Performance (FPS)

  • Check for unnecessary re-renders with React DevTools Profiler
  • Identify components re-rendering without prop changes
  • Look for missing React.memo, useCallback, useMemo
  • Detect inline function/object creation in render

2. Time to Interactive (TTI)

  • Analyze app startup sequence
  • Check for heavy useEffect chains on mount
  • Identify blocking operations on main thread
  • Verify Hermes bytecode compilation
Installs
2
GitHub Stars
49
First Seen
Apr 9, 2026