What are Cookies - Computer Cookies - WhatAreCookies.com

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** What Are Cookies? **

*Computer Cookies Explained*



** What Are Cookies? **

Cookies are small files which are stored on a user's computer. They are
designed to hold a modest amount of data specific to a particular client
and website, and can be accessed either by the web server or the client
computer. This allows the server to deliver a page tailored to a particular
user, or the page itself can contain some script which is aware of the data
in the cookie and so is able to carry information from one visit to the
website (or related site) to the next.

** Are Cookies Enabled in my Browser? **

To check whether your browser is configured to allow cookies, visit the
Cookie checker. This page will attempt to create a cookie and report on
whether or not it succeeded.

For information on how to enable or disable cookies, see 'Enabling
cookies'.

For information on how to delete cookies, see 'Deleting cookies'.

** What's in a Cookie? **

Each cookie is effectively a small lookup table containing pairs of (key,
data) values - for example (firstname, John) (lastname, Smith). Once the
cookie has been read by the code on the server or client computer, the data
can be retrieved and used to customise the web page appropriately.

** When are Cookies Created? **

Writing data to a cookie is usually done when a new webpage is loaded - for
example after a 'submit' button is pressed the data handling page would be
responsible for storing the values in a cookie. If the user has elected to
disable cookies then the write operation will fail, and subsequent sites
which rely on the cookie will either have to take a default


Source: www.whatarecookies.com/


what are cookies


HTTP cookie - Wikipedia, the free encyclopedia

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** HTTP cookie **

From Wikipedia, the free encyclopedia
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HTTP
· Persistence
· Compression
· HTTPS

Request methods
· OPTIONS
· GET
· HEAD
· POST
· PUT
· DELETE
· TRACE
· CONNECT
· PATCH

Header fields
· *Cookie*
· ETag
· Location
· HTTP referer
· DNT
· X-Forwarded-For

Status codes
· 301 Moved permanently
· 302 Found
· 303 See Other
· 403 Forbidden
· 404 Not Found

· v
· t
· e

A *cookie*, also known as an *HTTP cookie*, *web cookie*, or *browser
cookie*, is a small piece of data sent from a website and stored in a
user's web browser while a user is browsing a website. When the user
browses the same website in the future, the data stored in the cookie is
sent back to the website by the browser to notify the website of the user's
previous activity.^[1] Cookies were designed to be a reliable mechanism for
websites to remember the state of the website or activity the user had
taken in the past. This can include clicking particular buttons, logging
in, or a record of which pages were visited by the user even months or
years ago.

Although cookies cannot carry viruses, and cannot install malware on the
host computer,^[2]*tracking cookies* and especially *third-party tracking
cookies* are commonly used as ways to compile long-term records of
individuals' browsing histories—a major privacy concern that prompted
European and US law makers to take action in 2011.^[3]^[4] Cookies can also
store passwords and forms a user has previously entered, such as a credit
card number or an address. When a user accesses a website with a cookie
function for the first time, a cookie is sent from


Source: en.wikipedia.org/wiki/HTTP_cookie

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