Bu kadar disallow niye anlamadım hocam index.php bile engellemişsin.

Disallow: /*ref*
Disallow: /cgi-bin
Disallow: /wp-admin
Disallow: /wp-includes
Disallow: /wp-content/plugins
Disallow: /wp-content/cache
Disallow: /wp-content/themes

Yeterli bence.