SEO Optimization for Next.js

# SEO Optimization for Next.js

## Metadata
- Use generateMetadata for dynamic meta tags
- Implement Open Graph tags
- Add Twitter Card tags
- Set canonical URLs

## Structured Data
- Implement JSON-LD
- Use schema.org types
- Add breadcrumb structured data
- Implement Article schema

## Performance
- Optimize Core Web Vitals
- Use next/image for images
- Implement lazy loading
- Minimize JavaScript

## Technical SEO
- Generate sitemap.xml
- Create robots.txt
- Implement proper redirects
- Use semantic HTML