# Allow only major search spiders    
User-agent: Mediapartners-Google
Disallow:
Crawl-delay: 15

User-agent: Googlebot
Disallow:
Crawl-delay: 15

User-agent: Adsbot-Google
Disallow:
Crawl-delay: 15

User-agent: Googlebot-Image
Disallow:
Crawl-delay: 15

User-agent: Googlebot-Mobile
Disallow:
Crawl-delay: 15

User-agent: MSNBot
Disallow:
Crawl-delay: 16

User-agent: bingbot
Disallow:
Crawl-delay: 17

User-agent: Slurp
Disallow:
Crawl-delay: 30

User-agent: Yahoo! Slurp
Disallow:
Crawl-delay: 30

# Block all other spiders
User-agent: *
Disallow: /

# Block Directories for all spiders
User-agent: *
Disallow: /ads/
Disallow: /cgi-bin/
Disallow: /scripts/