User-agent: *
Disallow: /a.htm
Disallow: /getusersource.aspx
Disallow: /*?bdclkid
Disallow: /*?utm_source
Disallow: /*?utm_medium
Disallow: /*?utm_campaign
Disallow: /*?utm_term
Disallow: /*?utm_content
Disallow: /*?utm_nooverride
Disallow: /*&utm_source
Disallow: /*&utm_medium
Disallow: /*&utm_campaign
Disallow: /*&utm_term
Disallow: /*&utm_content
Disallow: /*&utm_nooverride