User-agent: *
Disallow: /wp-admin
Disallow: /wp-includes
Disallow: /wp-content
Disallow: /trackback
Disallow: /feed
Crawl-delay: 4.5

User-agent: Yandex
Disallow: /wp-admin
Disallow: /wp-includes
Disallow: /wp-content
Disallow: /trackback
Disallow: /feed
Crawl-delay: 2