User-agent: Googlebot
Disallow: /impressum
Disallow: /impressum/
Disallow: /wp-admin/
Disallow: /xmlrpc.php
Disallow: /feed
Disallow: /*/feed

User-agent: *
Disallow: /impressum
Disallow: /impressum/
Disallow: /wp-admin/
Disallow: /xmlrpc.php
Disallow: /feed