User-agent: *
Allow: /

# Block sensitive system files

Disallow: /.htaccess
Disallow: /.git
Disallow: /.env
Disallow: /cgi-bin/

# Prevent duplicate indexing of PHP files (clean URLs preferred)

Disallow: /*.php$

# Prevent crawling of URL parameters

Disallow: /*?*
Disallow: /*&*

# Sitemap

Sitemap: https://calculatox.com/sitemap.xml

# =====================================================

# AI Crawlers

# =====================================================

User-agent: GPTBot
Allow: /

User-agent: Google-Extended
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: bingbot
Allow: /

User-agent: Slurp
Allow: /

User-agent: DuckDuckBot
Allow: /