performance-profiling
Performance profiling principles. Measurement, analysis, and optimization techniques.
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Excerpt from the author’s documentation
Extracted from a fixed version of SKILL.md in its original language. This is the author’s documentation; installation, compatibility and runtime results have not been verified by this site.
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Topics in the source
- Performance Profiling
- 🔧 Runtime Scripts
- 1. Core Web Vitals
- Targets
- When to Measure
- 2. Profiling Workflow
- The 4-Step Process
- Profiling Tool Selection
Measure, analyze, optimize - in that order. Execute these for automated profiling: | Script | Purpose | Usage | |--------|---------|-------| | scripts/lighthouseaudit.py | Lighthouse performance audit | python scripts/lighthouseaudit.py https://example.com | -- | Metric | Good | Poor | Measures | |--------|------|------|----------| | LCP | 4.0s | Loading | | INP | 500ms | Interactivity | | CLS | 0.25 | Stability | | Stage | Tool | |-------|------| | Development | Local Lighthouse | | CI/CD | Lighthouse CI | | Production | RUM (Real User Monitoring) | -- | Problem | Tool | |---------|------| | Page load | Lighthouse | | Bundle size | Bundle analyzer | | Runtime | DevTools Performance | | Memory | DevTools Memory | | Network | DevTools Network | -- | Issue | Indicator | |-------|-----------| | Large dependencies | Top of bundle | | Duplicate code | Multiple chunks | | Unused code | Low coverage | | Missing splits | Single large chunk | | Finding | Action | |---------|--------| | Big library | Import specific modules | | Duplicate deps | Dedupe, update versions | | Route in main | Code split | | Unused exports | Tree shake | -- | Pattern | Meaning | |---------|---------| | Long tasks
This is an excerpt. Refer to the complete source and its current requirements.
- Source repository
- davila7/claude-code-templates
- Source file
- cli-tool/components/skills/development/performance-profiling/SKILL.md
- Fixed revision
- 21be197f100a12b8d0dd9a211cc244c8179f84d3
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Author: davila7/claude-code-templates · original repository metadata. Documentation review: Not reviewed. Last source check: 2026-11-09T14:01:44.574Z.
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