# Allow all search engines to crawl all content
User-agent: *
Allow: /

# Sitemap locations
Sitemap: https://sigmaeo.com/sitemap-index.xml
Sitemap: https://sigmaeo.com/sitemap.xml
Sitemap: https://sigmaeo.com/blog/sitemap.xml

# Crawl-delay (optional - be nice to servers)
Crawl-delay: 1

# Allow all major search engine bots
User-agent: Googlebot
Allow: /

User-agent: Bingbot
Allow: /

User-agent: Slurp
Allow: /

User-agent: DuckDuckBot
Allow: /

User-agent: Baiduspider
Allow: /

User-agent: YandexBot
Allow: /

# Allow AI crawlers for AEO
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: CCBot
Allow: /

User-agent: anthropic-ai
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: ClaudeBot
Allow: /