User-agent: Googlebot
User-agent: Googlebot-Image
User-agent: BingBot
User-agent: Googlebot-News
User-agent: Googlebot-Video
User-agent: Bingbot
User-agent: Slurp
User-agent: DuckDuckBot
User-agent: Baiduspider
User-agent: Sogou
User-agent: Exabot
Allow: /

User-agent: AhrefsBot
User-agent: YandexBot
User-agent: PetalBot
User-agent: Barkrowler
Disallow: /