User-agent: baiduspider
 Disallow: /
User-agent: turnitinbot
 Disallow: /
User-agent: psbot
 Disallow: /
User-agent: Yandex
 Disallow: /
User-agent: ia_archiver
Disallow: / 
User-agent: SurveyBot
 Disallow: /
User-agent: Speedy
 Disallow: /
User-agent: gigabot
 Disallow: /
User-agent: larbin
 Disallow: /