# Prevent msn from overwhealming the server, e.g some msn bot ips hit site 99558 per day in Feb 2015 # Changed to any agent since mail.ru started to overload it as well # Since Jan 7 2025 a few hosts like rate-limited-proxy-209-85-238-1.google.com started to issuing 200K+ daily requests. User-agent: * Crawl-delay: 1 # Prevent yandex from using too many resources #User-agent: yandex #Crawl-delay: 0.1 # Prevent building site content in LLM User-Agent: GPTBot Disallow: /balancedchemicalequations User-agent: * Disallow: /cite.php