What is profiling in performance optimization?

Updated May 17, 2026

Short answer

Profiling identifies performance bottlenecks in applications.

Deep explanation

Profilers measure CPU, memory, and execution time to guide optimization efforts.

Real-world example

Detecting slow API endpoints.

Common mistakes

  • Optimizing without profiling data.

Follow-up questions

  • What tools are used for profiling?
  • Why is profiling important?

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