# Allow Major SE

User-agent: Googlebot
User-agent: bingbot
User-agent: Slurp
User-agent: msnbot 
User-agent: DuckDuckBot
Disallow: 
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php
Crawl-delay: 15

# Block All Other Bots

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