User-agent: *
Disallow: /*.gif$
Disallow: /*.jpg$
Disallow: /*.png$
Disallow: /*.css$
Disallow: /*.js$
Crawl-Delay: 40

User-agent: spbot
Disallow: /
User-agent: psbot
Disallow: /
User-agent: TurnitinBot
Disallow: /
User-agent: NPBot-1/2.0
Disallow: /
User-agent: NPBot
Disallow: /
User-agent: ScoutJet
Disallow: /
User-agent: discobot
Disallow: /
User-agent: dotbot 
Disallow: /