performance-optimization
Performance Optimization
Overview
Systematically identify and resolve performance bottlenecks using measurement-driven methodology. This skill enforces a strict MEASURE-IDENTIFY-OPTIMIZE-VERIFY cycle, preventing premature optimization and speculation. Every optimization must produce measurable improvement or be reverted.
Announce at start: "I'm using the performance-optimization skill to diagnose and resolve bottlenecks."
Phase 1: MEASURE (Establish Baseline)
Goal: Capture real metrics before changing anything.
Actions
# Web: Lighthouse CI
npx lighthouse https://your-app.com --output=json --output-path=baseline.json
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