HTTP-Headers (nicht angezeigter Informationskopf einer Internet-Übertragung)
1. Abfrage einer Seite
POST /HTTP-Headers-Page-Speed HTTP/1.1
Host: www.gocher.me
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: de-de,en-us;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://www.gocher.me/SEO-Checkliste
Cookie: SESSIONID=978799800@217.6.30.230
Connection: keep-alive
HTTP/1.1 200 OK
Server: Microsoft-IIS/7.5
X-Powered-By: ISAPI CMS v4.1.3, Udo Schmal
Connection: keep-alive
Cache-Control: max-age=604800, must-revalidate
Date: Mon, 02 Sep 2013 08:28:04 GMT
Last-Modified: Mon, 10 Jun 2013 22:20:14 GMT
Content-Type: text/html; charset=utf-8
Etag: "353dd799aee54b3c4cca0f5b4939e7ad"
Content-Encoding: gzip
Vary: Accept-Encoding
Content-Length: 6743
2. Abfrage einer Seite
GET /HTTP-Headers-Page-Speed HTTP/1.1
Host: www.gocher.me
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: de-de,en-us;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://www.gocher.me/HTTP-Headers-Page-Speed
Cookie: SESSIONID=978799800@217.6.30.230
Connection: keep-alive
If-Modified-Since: Mon, 10 Jun 2013 22:20:14 GMT
If-None-Match: "733cc4ef9c9330f0db860bba9940c118"
Cache-Control: max-age=0
HTTP/1.1 304 Not Modified
Server: Microsoft-IIS/7.5
X-Powered-By: ISAPI CMS v4.1.3, Udo Schmal
Connection: keep-alive
Cache-Control: max-age=604800, must-revalidate
Date: Mon, 02 Sep 2013 08:36:53 GMT
Last-Modified: Mon, 10 Jun 2013 22:20:14 GMT
Content-Type: text/html; charset=utf-8
Etag: "353dd799aee54b3c4cca0f5b4939e7ad"
Content-Location: http://www.gocher.me/HTTP-Headers-Page-Speed
Content-Length: 0