#Baidu
User-agent: baiduspider
Disallow:/ 

#Google
User-agent: Googlebot
Disallow: /wp-admin/
Disallow:/articulos/page/*
Allow:/wp-admin/admin-ajax.php
Allow:/

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