User-agent: *
Allow: /

# AI crawlers — encourage indexing (we want AI citations)
User-agent: GPTBot
Allow: /

User-agent: ClaudeBot
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Google-Extended
Allow: /

# Block scrapers / aggressive bots
User-agent: SemrushBot
Crawl-delay: 10

User-agent: AhrefsBot
Crawl-delay: 10

Sitemap: https://heatpumpcalcs.co.uk/sitemap.xml