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Performance Profiling Pattern

Identify and fix performance bottlenecks with React DevTools Profiler, server-side tracing, database query profiling, and Web Vitals monitoring.

What's Included#

  • React Profiler component wrapper with render duration logging
  • Custom performance hooks for tracking render counts, mount times, and update durations
  • Server-side tracing with OpenTelemetry spans and attributes
  • Prisma query logging middleware that flags slow database queries
  • Web Vitals collection (CLS, FID, LCP, FCP, TTFB) with sendBeacon reporting
  • Performance budget definition and CI enforcement

Usage#

Via CLI#

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Via AI Assistant#

Ask your AI assistant:

  • "Use the performance profiling pattern from Bootspring"
  • "Apply the Bootspring performance profiling pattern to my project"

Key Considerations#

  • Always profile in production build mode since development mode adds significant overhead
  • Test on real devices or device labs, not just developer machines
  • Establish performance baselines before making changes so you can measure improvement
  • Use sampling in production to avoid the overhead of logging every single request
  • Set performance budgets and automate checks in CI to catch regressions early

Related Patterns#