http://tristanelosegui.com/2014/01/08/como-definir-los-objetivos-de-una-estrategia-online/
http://mglobalmarketing.es/blog/guia-practica-para-elaborar-planes-de-marketing-para-pymes/
http://tristanelosegui.com/2014/01/08/como-definir-los-objetivos-de-una-estrategia-online/
http://mglobalmarketing.es/blog/guia-practica-para-elaborar-planes-de-marketing-para-pymes/
http://www.missconversion.es/2012/07/24/manual-wordpress-seo-yoast/
http://webmarketingmaniac.com/wordpress/wordpress-seo-plugin-configurar-seo-yoast/
http://productforums.google.com/forum/#!topic/webmaster-es/8dfBN3FtQ5s
http://www.seoprofesional.com/utilizar-robotstxt/