User-agent: Yandex
Crawl-delay: 2 # задает таймаут в 2 секунды

Disallow: /search
Crawl-delay: 4.5 # задает таймаут в 4.5 секунды 

User-agent: * 
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /forum/
Disallow: /help/
Disallow: /images/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/
Disallow: /index2.php?
Disallow: /component/option,com_search/
Disallow: /component/option,com_newsfeeds/
Disallow: /component/option,com_wrapper/
Disallow: /extcalendar/
Disallow: /simpleboard/
Disallow: /content/
Disallow: /index.php?option=com_extcalendar
Disallow: /index.php?option=com_simpleboard
Disallow: /index.php?option=com_content
Disallow: /index.php?optioncom_extcalendar
Disallow: /index.php?optioncom_simpleboard
Disallow: /index.php?date
Disallow: /component/option,com_bookmarks/
Disallow: /index.php?option=com_search
Disallow: /index.php?phpshop