---
name: performance-profiling
description: Performance profiling principles. Measurement, analysis, and optimization techniques.
category: infrastructure
version: 4.1.0-fractal
layer: master-skill
---

# 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` |

---

## 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)