User-agent: VoilaBot
crawl-delay: 30

User-agent: psbot
Disallow: /

User-agent: sogou spider
Disallow: /

User-agent: baiduspider
Crawl-delay: 120

User-agent: twiceler
Disallow: /


User-agent: WebAlta Crawler/2.0
Disallow: /

User-agent: WebAlta
Disallow: /