User-agent: Googlebot
User-agent: Applebot
User-agent: Bingbot
User-agent: DuckDuckBot
User-agent: Naverbot
User-agent: Twitterbot
User-agent: Yandex
Disallow: /referral/
Allow: /

User-agent: Baiduspider
User-agent: 360Spider
User-agent: Yisouspider
User-agent: Sogouspider
Disallow: /

User-agent: *
Disallow: /referral/
Allow: /blog
Allow: /position