Правильный robots.txt WordPress
User-Agent: *
Allow: /wp-content/uploads/
Disallow: /wp-login.php
Disallow: /wp-register.php
Disallow: /xmlrpc.php
Disallow: /template.html
Disallow: /wp-admin
Disallow: /wp-includes
Disallow: /wp-content
Disallow: /tag
Disallow: /category
Disallow: /archive
Disallow: */trackback/
Disallow: */feed/
Disallow: */comments/
Disallow: /?feed=
Disallow: /?s=Host: site.ru
Sitemap: http://site.ru/sitemap.xml