User-agent: * 
Crawl-delay: 20

User-agent: AhrefsBot
Disallow: /

User-agent: BLEXBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: PetalBot
Disallow: /

User-agent: Applebot
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Yandex
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: dotbot
Disallow: /

sitemap: /sitemap.xml