Content-Types that are acceptable.
Accept: application/json; q=.5, text/html
Character sets that are acceptable.
Accept-Charset: utf-8
Acceptable encodings.
Accept-Encoding: gzip
Acceptable languages for response.
Accept-Language: en-US
Authentication credentials for HTTP authentication.
Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
Used to specify directives that MUST be obeyed by all caching mechanisms along the request/response chain.
Cache-Control: no-cache
What type of connection the user-agent would prefer.
Connection: close
Cookies previously set by Set-Cookie.
Cookie: foo=bar; bar=baz
Length of the body in octets.
Content-Length: 1024
A base64-encoded binary MD5 sum of the request body content.
Content-MD5: Q2hlY2sgSW50ZWdyaXR5IQ==
The mime type of the request body.
Content-Type: application/json
The date and time the message was sent.
Date: Tue, 15 Nov 1994 08:12:31 GMT
The domain name of the server mandatory since HTTP/1.1.
Host: en.wikipedia.org
TODO
What partial content range types this server supports:
Accept-Ranges: bytes