In HTTP, "Referer" (a misspelling of "Referrer") is an optional HTTP header field that identifies the address of the web page (i.e., the URI or IRI) from...

Hypertext Transfer Protocol (HTTP) response status codes are issued by a server in response to a client's request made to the server. It includes codes...

In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and...

In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts...

HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information...

communications, the HTTP 404, 404 not found, 404, 404 error, page not found, or file not found error message is a hypertext transfer protocol (HTTP) standard response...

In HTTP networking, typically on the World Wide Web, referer spoofing (based on a canonized misspelling of referrer) sends incorrect referer information...

The ETag or entity tag is part of HTTP, the protocol for the World Wide Web. It is one of several mechanisms that HTTP provides for Web cache validation...

Django before v1.2.5), or checking the HTTP Referer header and/or HTTP Origin header. Checking the HTTP Referer header to see if the request is coming...

The protocol is therefore also referred to as HTTP over TLS, or HTTP over SSL. The principal motivations for HTTPS are authentication of the accessed...

HTTP 403 is an HTTP status code meaning access to the requested resource is forbidden. The server understood the request, but will not fulfill it, if...

using the IP address of the computer requesting the page or the referer field of the HTTP request header, but cookies allow for greater precision. This...

In computer networking, 451 Unavailable For Legal Reasons is an HTTP status code used when the user requests a resource which cannot be served for legal...

The HTTP response status code 303 See Other is a way to redirect web applications to a new URI, particularly after a HTTP POST has been performed, since...

HTTP pipelining is a feature of HTTP/1.1, which allows multiple HTTP requests to be sent over a single TCP connection without waiting for the corresponding...

On the World Wide Web, HTTP 301 or 301 Moved Permanently, is the HTTP status code used for permanent redirecting. It means that links or records to this...

HTTP persistent connection, also called HTTP keep-alive, or HTTP connection reuse, is the idea of using a single TCP connection to send and receive multiple...

replay in cricket Criminal referral, a document recommending investigation of crimes to the appropriate authority HTTP referer, the address of the webpage...

(XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. The methods allow a browser-based...

HTTP Message Body is the data bytes transmitted in an HTTP transaction message immediately following the headers if there are any (in the case of HTTP/0...

The HTTP response status code 302 Found is a common way of performing URL redirection. The HTTP/1.0 specification (RFC 1945) initially defined this code...

Secure Hypertext Transfer Protocol (S-HTTP) is an obsolete alternative to the HTTPS protocol for encrypting web communications carried over the Internet...

HTTP header fields are a list of strings sent and received by both the client program and server on every HTTP request and response. These headers are...

HTTP compression is a capability that can be built into web servers and web clients to improve transfer speed and bandwidth utilization. HTTP data is...

their browser. They also break HTTP referer headers as browsers are not allowed to send the fragment identifier in the Referer header. In 2015, Google deprecated...

behavior to varying degrees. Some servers are programmed to use the HTTP referer header to detect hotlinking and return a condemnatory message, commonly...

In computing, the PATCH method is a request method in HTTP for making partial changes to an existing resource. The PATCH method provides an entity containing...

HTTP Public Key Pinning (HPKP) is an obsolete Internet security mechanism delivered via an HTTP header which allows HTTPS websites to resist impersonation...

HTTP header field introduced in HTTP/1.1. In the exchange, the client begins by making a cleartext request, which is later upgraded to a newer HTTP protocol...

Do Not Track (DNT) is a deprecated non-standard HTTP header field designed to allow internet users to opt out of tracking by websites—which includes the...