User-agent: * 
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /help/
Disallow: /images/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/
# Stop image bots from copying our images
User-Agent: Googlebot-Image
Disallow: /
User-agent: yahoo-mmcrawler
Disallow: /
User-agent: psbot
Disallow: /

# Block Alexa and Wayback Machine
User-agent: ia_archiver
Disallow: /

# Block PDFs and zip files from robots
User-agent: *
Disallow: /*.zip$
Disallow: /*.pdf$
Disallow: /download