User-agent: Facebookbot
Disallow:

User-agent: Twitterbot
Disallow:

User-agent: FacebookExternalHit
Disallow:

User-agent: LinkedInBot
Disallow:

User-agent: Pinterest
Disallow:

User-agent: Instagram
Disallow:

User-agent: WhatsApp
Disallow:

User-agent: Slackbot
Disallow:

User-agent: Discordbot
Disallow:

User-agent: TelegramBot
Disallow:

User-agent: Snapchat
Disallow:

User-agent: SkypeUriPreview
Disallow:

User-agent: *
Disallow: /admin/
Disallow: /api/