User-agent: *
Crawl-delay: 30
Disallow: /concrete 
Allow: /concrete/css
Allow: /concrete/js
Disallow: /config 
Disallow: /controllers 
Disallow: /css 
Disallow: /elements 
Disallow: /helpers 
Disallow: /jobs 
Disallow: /js 
Disallow: /languages 
Disallow: /libraries 
Disallow: /mail 
Disallow: /models 
Disallow: /page_types 
Disallow: /single_pages 
Disallow: /updates