User-agent: *
Allow: /subject
Allow: /classes
Allow: /usernames
Allow: /features
Allow: /*-diagram
Allow: /*-flash-cards
Disallow: /ajax
Disallow: /tts
Disallow: /pdfs
Disallow: /*/recreate-set
Disallow: /*/print$
Disallow: /authorize
Disallow: /join
Disallow: /*/gravity$
Disallow: /*/gravity/starred$
Disallow: /*/gravity/embed
Disallow: /*/learn$
Disallow: /*/learn/starred$
Disallow: /*/learn/embed
Disallow: /*/spell$
Disallow: /*/spell/starred$
Disallow: /*/spell/embed
Disallow: /*/match$
Disallow: /*/match/starred$
Disallow: /*/match/embed
Disallow: /*/write$
Disallow: /*/write/starred$
Disallow: /*/write/embed