User-agent: * Allow: / Disallow: /admin/ # Sitemaps Sitemap: https://phamhuuphucan.com/sitemap-index.xml # LLM & GEO (Generative Engine Optimization) # AI Search Bots are encouraged to parse profile & content catalog User-agent: GPTBot Allow: / Allow: /llms.txt User-agent: PerplexityBot Allow: / Allow: /llms.txt User-agent: ClaudeBot Allow: / Allow: /llms.txt User-agent: Google-Extended Allow: / Allow: /llms.txt