User-agent: Mediapartners-Google
Disallow:

User-agent: *

Disallow: /feed/
Disallow: /trackback/
Disallow: /wp-admin/
Disallow: /wp-content/
Disallow: /wp-includes/
Disallow: /xmlrpc.php
Disallow: /wp-

Sitemap: http://exemplo.com/sitemap.xml