User-agent: *

User-agent: Yandex
Crawl-delay: 20 

User-agent: Google
Crawl-delay: 20 

Disallow: /component/option,com_search/
Disallow: /component/option,com_newsfeeds/
Disallow: /component/option,com_wrapper/

Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /includes/
Disallow: /installation/
Disallow: /language/
Disallow: /libraries/
Disallow: /media/
Disallow: /modules/
Disallow: /plugins/
Disallow: /templates/
Disallow: /tmp/
Disallow: /xmlrpc/