User-agent
User-agent: Googlebot
Disallow: /cdn-cgi/

User-agent: AdsBot-Google
Disallow: /cdn-cgi/

User-agent: Googlebot-Image
Disallow: /cdn-cgi/

User-agent: meta-externalagent
Crawl-delay: 10

User-agent: meta-externalads
Crawl-delay: 10