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

# Block heavy endpoints
Disallow: /wp-json/
Disallow: /*?rest_route=
Disallow: /xmlrpc.php

# Block search & unnecessary pages
Disallow: /?s=
Disallow: /search/

# Block author pages (often abused)
Disallow: /author/

# Allow important SEO files
Allow: /wp-sitemap.xml
Allow: /sitemap_index.xml

Sitemap: https://yourdomain.com/sitemap_index.xml