User-agent: Yandex
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Speedy Spider
Disallow: /

User-agent: Exabot
Disallow: /

User-agent: DotBot
Disallow: /


User-agent: *
Disallow: visitar.php
Crawl-Delay:   2