# Stop image bots from copying our images
User-Agent: Googlebot-Image
Disallow: /
User-agent: yahoo-mmcrawler
Disallow: /
User-agent: psbot
Disallow: /
User-agent: dotbot 
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