User-agent: *
Disallow: /wp-admin/
Disallow: /themes/
Disallow: /plugins/
Disallow: /cgi-bin/

User-agent: Yandex
Disallow: /wp-admin/
Disallow: /themes/
Disallow: /plugins/
Disallow: /cgi-bin/
Crawl-delay: 2 # задает таймут в 2 секунды

 User-agent: Googlebot
Sitemap: http://www.kalachov.com/blog/sitemap.xml
Disallow: /wp-admin*/
Disallow: /themes*/
Disallow: /plugins*/
Disallow: /cgi-bin
Disallow: /*.php$