User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

user-agent: AhrefsBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: MegaIndex.ru
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: Yandex
Disallow: /