Exemple d''information sur les entête de requête
host
kisker-biotech.com
accept-encoding
x-gzip, gzip, deflate
user-agent
CCBot/2.0 (http://commoncrawl.org/faq/)
accept
text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
if-modified-since
Sat, 20 Jan 2018 06:45:46 GMT
