# Served statically by nginx since 2026-09-08 (was app-generated). Faceted rankings
# (/rankings?country=... in every permutation) are an infinite duplicate URL space that
# consumed ~576k ClaudeBot requests/day and exhausted web2's Postgres; the base
# /en/rankings page stays crawlable.
User-Agent: *
Disallow: /rankings?
Disallow: /*/rankings?
Allow: /
Disallow: /account
Disallow: /api/

User-Agent: GPTBot
User-Agent: OAI-SearchBot
User-Agent: ChatGPT-User
User-Agent: anthropic-ai
User-Agent: ClaudeBot
User-Agent: Google-Extended
User-Agent: GoogleOther
User-Agent: Bingbot
User-Agent: PerplexityBot
User-Agent: Meta-ExternalAgent
User-Agent: facebookexternalhit
User-Agent: Applebot-Extended
User-Agent: Bytespider
User-Agent: cohere-ai
User-Agent: Amazonbot
User-Agent: YouBot
User-Agent: PhindBot
User-Agent: Diffbot
User-Agent: iaskspider
User-Agent: CCBot
User-Agent: Yandex
User-Agent: Baiduspider
User-Agent: Twitterbot
User-Agent: LinkedInBot
User-Agent: DuckDuckBot
Disallow: /rankings?
Disallow: /*/rankings?
Allow: /
Disallow: /account
Disallow: /api/

User-Agent: AhrefsBot
User-Agent: PetalBot
Disallow: /

Sitemap: https://www.coursemap.org/sitemap.xml