User-agent: Googlebot
Allow: /
Disallow: /admin-login
Disallow: /admin-dashboard*

User-agent: Bingbot
Allow: /
Disallow: /admin-login
Disallow: /admin-dashboard*

User-agent: Twitterbot
Allow: /

User-agent: facebookexternalhit
Allow: /

User-agent: *
Allow: /
Disallow: /admin-login
Disallow: /admin-dashboard*