User-agent: Yandex
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Crawl-delay: 0.5
Sitemap: http://prdo.ru/sitemap.xml

User-agent: Googlebot
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Sitemap: http://prdo.ru/sitemap.xml
Crawl-delay: 1

User-agent: StackRambler
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Crawl-delay: 1

User-agent: Mail.Ru
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Crawl-delay: 1

User-agent: Aport
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Crawl-delay: 2

User-agent: MSNBot
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Crawl-delay: 2

User-agent: *
Disallow: /site.php
Disallow: /search.php
Disallow: /users/login.php
Disallow: /users/reg.php
Crawl-delay: 10