user-agent: baiduspider
crawl-delay: 1800

User-agent: Slurp
Crawl-delay: 0.5

User-agent: MSNBot
Crawl-delay: 5

User-agent: Baiduspider+
Crawl-delay: 1800

User-agent: Yetibot
Crawl-delay: 5

User-agent: SpeedySpider
Crawl-delay: 1800