Performance regressions often creep in gradually, one seemingly minor change at a time, until the cumulative effect becomes noticeable.
Baseline Before You Change Anything
Recording a performance baseline before a major change gives you an objective before-and-after comparison, rather than relying on subjective impressions.
Test Immediately After
Running the same performance test right after a change catches regressions while they're still fresh and easy to trace back to a specific cause.
Make It a Standard Step
Building performance testing into your standard change process, not just something done reactively after complaints, prevents slow degradation from ever accumulating unnoticed.
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