User-Agent: *
Disallow: 

User-agent: psbot
Disallow: /

user-agent: Baiduspider
Disallow: /

user-agent: BaiduImagespider
Disallow: /

user-agent: BaiduMobaider
Disallow: /keyword/
crawl-delay: 180

User-agent: Yeti
Disallow: /

User-agent: Hatena-Mobile-Gateway
Disallow: /