User-Agent: searchpreview
Disallow: /

User-Agent: *
Disallow: /

User-Agent: Slurp
Disallow: /

User-Agent: Googlebot
Disallow: /

User-agent: baiduspider
Disallow: /

User-Agent: BaiduImagespider
Disallow: /

User-agent: Yahoo-MMCrawler
Disallow: /

User-agent: Googlebot-Image
Disallow: /