User-agent: * Allow: / Disallow: /visit/* Disallow: /results* # AI search crawlers (citations / answer surfaces) — explicitly welcome User-agent: OAI-SearchBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: PerplexityBot Allow: / User-agent: Google-Extended Allow: / # AI training crawlers — allowed User-agent: GPTBot Allow: / User-agent: ClaudeBot Allow: / User-agent: anthropic-ai Allow: / User-agent: CCBot Allow: / Sitemap: https://ranking.bio/sitemap.xml