Crawl-delay: 0.1

User-agent: Googlebot
Disallow: /*.axd

User-agent: Mozilla/5.0 (Twiceler-0.9 http://www.cuil.com/twiceler/robot.html)
#12-Abr-2010 --- You are a BAD robot, slow down! 
Crawl-delay: 10
Disallow: 

User-agent: Slurp 
#14-Abr-2010 --- Slow down yahoo! REF: help.yahoo.com/l/us/yahoo/search/webcrawler/slurp-03.html
Crawl-delay: 0.5
Disallow: