# Performance Profiling

> Performance profiling principles. Measurement, analysis, and optimization techniques.

- Skill: `dokhacgiakhoa/performance-profiling` (Agent Skill, multi-file: 11 files)
- Install (CLI): `npx skillmds@latest add dokhacgiakhoa/performance-profiling`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dokhacgiakhoa/performance-profiling/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: Dokhacgiakhoa (https://skillmd.com/u/dokhacgiakhoa)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/dokhacgiakhoa/performance-profiling

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# Performance Profiling

> Measure, analyze, optimize - in that order.

## 🔧 Runtime Scripts

**Execute these for automated profiling:**

| Script | Purpose | Usage |
|--------|---------|-------|
| `scripts/lighthouse_audit.py` | Lighthouse performance audit | `python scripts/lighthouse_audit.py https://example.com` |

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## 1. Core Web Vitals

## 🧠 Knowledge Modules (Fractal Skills)

### 1. [Targets](./sub-skills/targets.md)
### 2. [When to Measure](./sub-skills/when-to-measure.md)
### 3. [The 4-Step Process](./sub-skills/the-4-step-process.md)
### 4. [Profiling Tool Selection](./sub-skills/profiling-tool-selection.md)
### 5. [What to Look For](./sub-skills/what-to-look-for.md)
### 6. [Optimization Actions](./sub-skills/optimization-actions.md)
### 7. [Performance Tab Analysis](./sub-skills/performance-tab-analysis.md)
### 8. [Memory Tab Analysis](./sub-skills/memory-tab-analysis.md)
### 9. [By Symptom](./sub-skills/by-symptom.md)