User-agent: *
Disallow: *?p=*
Disallow: /?logout&redirect_to=
Disallow: *?switch=*
Disallow: *?wptouch_switch=*
Disallow: *?r=*
Disallow: *?PDA=*
Disallow: /author/fb*
Disallow: /wp-admin/*

User-agent: MJ12bot
Disallow: /

User-agent: AhrefsBot
Disallow: /

Allow: /