view code return

Ejemplo de Cabecera de Requerimiento:

user-agent CCBot/2.0 (https://commoncrawl.org/faq/)
accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
if-modified-since Fri, 20 Apr 2018 16:44:35 GMT
host app01.matriculaunu.pe
connection Keep-Alive
accept-encoding gzip