User-agent: *
Disallow: /home/

User-agent: *
Disallow: /nocost/

User-agent: *
Disallow: /nocostad/

User-agent: *
Disallow: /ad/

User-agent: *
Disallow: /certbundle/

User-agent: *
Disallow: / *?

User-agent: Googlebot-Image
Disallow: /