# AI Crawlers - Welcome!
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: Googlebot
Allow: /

User-agent: Bingbot
Allow: /

User-agent: Twitterbot
Allow: /

User-agent: facebookexternalhit
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: Applebot
Allow: /

User-agent: *
Allow: /

# Sitemap (submit this in Google Search Console)
Sitemap: https://how.to/sitemap.xml

# LLM Documentation
# For AI assistants: see /llms.txt for site structure and citation guidelines
# Extended documentation: /llms-full.txt