Http

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HTTP Request Structure from the Client

https://www.webnots.com/what-is-http/

  • HTTP Status Code (for example, HTTP/1.1 200 OK)
  • Headers (Example – Content-Type: html)
  • An empty line.
  • A message body which is optional.
$ curl -i http://taichimd.us
HTTP/1.1 200 OK
Date: Sat, 22 Jul 2017 23:47:53 GMT
Server: Apache/2.4.7 (Ubuntu)
Last-Modified: Fri, 07 Oct 2016 15:42:47 GMT
ETag: "54-53e48431968d0"
Accept-Ranges: bytes
Content-Length: 84
Vary: Accept-Encoding
Content-Type: text/html

You may be interested in the <a href="https://taichimd.us/mediawiki">wiki page</a>.

$ curl -i http://google.com
HTTP/1.1 301 Moved Permanently
Location: http://www.google.com/
Content-Type: text/html; charset=UTF-8
Date: Sat, 22 Jul 2017 23:51:10 GMT
Expires: Mon, 21 Aug 2017 23:51:10 GMT
Cache-Control: public, max-age=2592000
Server: gws
Content-Length: 219
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN

<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">
<TITLE>301 Moved</TITLE></HEAD><BODY>
<H1>301 Moved</H1>
The document has moved
<A HREF="http://www.google.com/">here</A>.
</BODY></HTML>

REST

GET

POST

HTTP/2

5 Ways to Improve Your Website’s PageSpeed Using HTTP/2

HTTP Referrer