User-agent: *

Disallow: /images/content
Disallow: /images/favicons

Disallow: /refer
Disallow: /de/refer
Disallow: /en/refer

Disallow: /admin
Disallow: /de/admin
Disallow: /en/admin

Disallow: /data
Disallow: /de/data
Disallow: /en/data