User-agent: MJ12bot
Disallow: /
User-agent: AhrefsBot
Disallow: /
User-agent: semrushbot
Disallow: /

User-agent: *
Disallow: 
Disallow: /ad
Disallow: /ph
Disallow: /pic
Disallow: /m
Disallow: /js
Disallow: /aj
Disallow: /as