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---
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title: "Cookies"
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template: "page"
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---
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A cookie is a small text file that a website saves on the client
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computer (your computer) to make the website function better.
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Note that these files can be stored as actual "cookies" or as "local/session storage".<br />
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I will be using Cookie to refer to both in the rest of this article
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Some examples of what cookies are used for:
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- Remembering what language/theme the website should be in
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- Storing your cart when shopping online
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- Keeping you logged in
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There are also cookies that are not explicitly set by the website
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owner themselves. These are often introduced when websites include
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projects which have been made by other people. Some of these
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include:
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- Disqus - A comment system for your website
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- Social media (twitter, facebook, etc) - To add in those shiny "like" or "tweet" buttons.
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Cookies like these are stored for pretty much every website you
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visit and they make the World Wide Web what it is today.
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## The EU cookie law
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Since mid 2015 every website which is either hosted in Europe or
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targets the European market is required to inform and get consent from
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users about using cookies. This is usually done with a bar at the
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bottom of the page which can be dismissed with a simple button. More
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information about the legislation around the cookie law can be found
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[here](https://wikis.ec.europa.eu/display/WEBGUIDE/04.+Cookies+and+similar+technologies).
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## Revoking cookie access
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All well known browser offer a way for you to revoke any cookie. Explore the links below to learn more.
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- [Deleting cookies in Chrome](https://support.google.com/chrome/answer/95647?co=GENIE.Platform%3DDesktop&hl=en)
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- [Deleting cookies in Firefox](https://support.mozilla.org/en-US/kb/delete-cookies-remove-info-websites-stored)
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- [Deleting cookies in Edge](https://privacy.microsoft.com/en-us/windows-10-microsoft-edge-and-privacy)
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