Is Performance Testing Itself Sometimes Misleading?


Lab vs Reality

Synthetic tests differ from real-user behavior.

Metric Selection

Scores aggregate diverse signals.
Individual metrics tell clearer stories.

Cold vs Warm States

Cache state dramatically alters results.

Context Matters

Geographic test location affects latency.

Key Takeaways

  • Interpret metrics within context.
  • Separate backend timing from rendering metrics.
  • Use consistent test environments.
  • Combine lab and field data.