Performance Optimization Checklist

Optimize [WEB APP/API/DATABASE] performance:

**Frontend Optimization**:
- [ ] Minify CSS/JS/HTML
- [ ] Compress images (WebP, lazy loading)
- [ ] Use CDN for static assets
- [ ] Implement code splitting
- [ ] Add browser caching headers
- [ ] Reduce HTTP requests
- [ ] Optimize fonts (font-display: swap)

**Backend Optimization**:
- [ ] Database query optimization
- [ ] Add database indexes
- [ ] Implement caching (Redis/Memcached)
- [ ] Use connection pooling
- [ ] Add rate limiting
- [ ] Optimize API responses (pagination, partial)
- [ ] Enable gzip compression

**Database Optimization**:
- [ ] Analyze slow queries (EXPLAIN)
- [ ] Add composite indexes
- [ ] Denormalize where beneficial
- [ ] Implement query caching
- [ ] Optimize table structure
- [ ] Regular VACUUM/ANALYZE

**Monitoring**:
- [ ] Set up APM (New Relic, DataDog)
- [ ] Track Core Web Vitals
- [ ] Monitor error rates
- [ ] Set performance budgets