Performance Optimization Guide

Create a performance optimization guide for:

**Application Type:** {{APP_TYPE}}
**Tech Stack:** {{TECH_STACK}}
**Performance Goals:** {{GOALS}}

**Current Issues:**
{{ISSUES}}

Generate comprehensive performance documentation:

# Performance Optimization Guide

## Performance Goals

| Metric | Target | Current |
|--------|--------|---------|
| Page Load Time | < 3s | |
| Time to Interactive | < 5s | |
| API Response Time | < 200ms | |
| Throughput | X req/s | |

## Measurement

### Tools
- Tool 1: Purpose
- Tool 2: Purpose

### Key Metrics
| Metric | How to Measure | Target |
|--------|----------------|--------|

## Optimization Techniques

### Category 1: [e.g., Frontend]

#### Technique 1: [Name]
**Impact:** High/Medium/Low
**Effort:** High/Medium/Low

**Problem:**
What issue this addresses

**Solution:**
```javascript
// Before (slow)
// After (optimized)
```

**Expected Improvement:**
Quantified benefit

---

### Category 2: [e.g., Backend]

#### Database Optimization
- Query optimization
- Indexing strategies
- Connection pooling

#### Caching
- What to cache
- Cache invalidation
- Cache layers

#### API Optimization
- Pagination
- Field selection
- Compression

### Category 3: [e.g., Infrastructure]

#### Scaling
- Horizontal scaling
- Load balancing
- Auto-scaling policies

## Anti-Patterns
| Anti-Pattern | Problem | Solution |
|--------------|---------|----------|

## Performance Testing
- Load testing approach
- Benchmarking process
- Regression testing

## Monitoring
- Performance dashboards
- Alerting thresholds

## Checklist
Pre-deployment performance checklist