Page Speed Optimization Checklist

Act as a web performance specialist. Create a comprehensive page speed optimization checklist for my landing page.

**Current Performance:**
- Page Size: [SIZE]
- Load Time: [SECONDS]
- Core Web Vitals: [SCORES]

**Optimization Checklist:**

**1. Image Optimization:**
- Format selection (WebP, AVIF)
- Compression settings
- Responsive images implementation
- Lazy loading strategy
- CDN configuration

**2. Code Optimization:**
- CSS minification and critical CSS
- JavaScript deferral and async
- Unused code removal
- Code splitting approach

**3. Server Optimization:**
- Caching headers configuration
- Gzip/Brotli compression
- CDN implementation
- HTTP/2 or HTTP/3 enablement

**4. Third-Party Scripts:**
- Audit of current scripts
- Loading priority strategy
- Alternative lighter options
- Self-hosting considerations

**5. Core Web Vitals:**
- LCP optimization tactics
- FID/INP improvements
- CLS prevention strategies

**6. Measurement Tools:**
- Testing tool recommendations
- Monitoring setup
- Performance budgets
- Alert thresholds

Prioritize by impact and effort.