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What a Cookie is

Welcome to this website. Like all good websites, an attempt is made to help explain what a ‘cookie’ is and why they are used.

 

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Disclaimer This content is intended purely for your information and specifically does not constitute nor is intended to constitute any form of tutorial or any form of advice on the use or role of cookies or in managing cookies including deleting and/or disabling and/or enabling cookies in general or with respect to any specific website. You must satisfy yourself on the use and management of cookies and the implications regarding deleting and/or disabling and/or enabling cookies for any site.

 

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What a Cookie is and Why They are Used A cookie is a small file placed on your computer's hard drive or other device you may use for viewing a web site. Cookies allow web traffic and site usage information to be gathered and analyzed, including which pages are being used, the duration of a site visit and where a site visitor’s session originated from. Cookies allow understanding about a site visitor’s needs, likes and dislikes by gathering and remembering information about such things as user preferences. Cookies allow a site owner to improve their website in order to tailor it to customer needs. Cookies may also be used to allow the site to manage access to the site and to support the use of applications (‘apps’) on the site.

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Session Cookie A session cookie, also known as an in-memory cookie or transient cookie, is stored only temporarily during a browsing session. Normally a session cookie is deleted from the user’s device when the browser is closed. Unlike other cookies, session cookies do not have an expiration date assigned to them, which is how the browser knows to treat them as session cookies.

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Persistent Cookie Instead of expiring when the web browser is closed as in the case of a session cookie, a persistent cookie expires at a specific date or after a specific period of time. This means that, for the cookie's entire lifespan its information will be transmitted to the server every time the user visits the website to which the cookie belongs, or every time the user views a resource belonging to that website from another website (such as an advertisement). Basically, persistent cookies are saved on your computer for a longer, fixed period of time and are not deleted when the browser is closed. They are used to remember you when you visit the website again.

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© 2019 Dr Simon Brown

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