404. That’s an error.
The requested URL /add?feedurl=http%3A%2F%2Festaticos.elmundo.es%2Felmundo%2Frss%2Fportada.xml was not found on this server. That’s all we know.
/add?feedurl=http%3A%2F%2Festaticos.elmundo.es%2Felmundo%2Frss%2Fportada.xml