Info

Content types:

application/javascript
application/json
application/xml
image/gif
image/jpeg
image/png
text/html

Cookies:

Name	Purpose
Expires	Instructs the browser to delete the cookie at a given time
Max	Age Instructs the browser to delete the cookie at a given time
Secure	This flag instructs the browser to only transmit the cookie over an HTTPS connection
HttpOnly	This flag instructs the browser to transmit the cookie over HTTP(S) and not other means (e.g. JavaScript)

HTTP Codes:

Code	Description	Note
100	Continue	The server has received the request headers and the client should proceed to send the request body usually in a response to an HTTP PUT or POST request
200	OK	The standard response for successful HTTP requests
201	Created	The request has been fulfilled and a new resource created
301	Moved Permanently	This and all future requests should direct to the given URI
302	Found	A temporary redirect to a given URI
304	Not Modified	Indicates the resource hasn’t been modified since the version specified by the client in the request headers (using If-Modified-Since or If-Match)
400	Bad Request	The request cannot be fulfilled due to bad syntax
401	Unauthorized	Authentication is required or has failed
403	Forbidden	The request is valid but the server is refusing to honor it
404	Not Found	Common error when a page or resource does not exist
405	Method Not Allowed	The HTTP method used is not permitted for this resource
500	Internal Server Error	A generic error message
501	Not Implemented	The server does not recognize the request method
502	Bad Gateway	The server is acting as a proxy and received an invalid response from the upstream server
503	Service Unavailable	The server is currently unavailable due to high load or maintenance
504	GatewayTimeout	The server is acting as a proxy and did not receive a timely response from the upstream server