- Add SEO meta tags (title, description, keywords, robots)
- Add Open Graph and Twitter Card meta tags
- Add JSON-LD structured data (WebPage schema)
- Use relative URLs for og:url, og:image, and canonical links to avoid hardcoded localhost addresses in prerendered HTML
- Support internationalized keywords with English defaults and Chinese translations
- Optimize for Chinese search engines (Baidu, 360, Sogou)
This ensures SEO metadata is properly captured in prerendered static HTML files without hardcoding development server URLs.