Kodeclik Blog


What is a Cookie?

What is a cookie?

A cookie is simply a file that is deposited on your computer by a website you visit. E.g., if you visit the website for the Avengers movie, the site will create a file on your computer that it can lookup next time you visit the same site.

Why are cookies important?

If there is a cookie on your computer, the site will know that you are a returning visitor and perhaps say “Welcome back!”. It will know what links you have already visited and use this to show you new links. This way it will personalize your experience.

Should I be worried about cookies?

Sometimes the way the site transmits its cookies to your computer and the actual content of the cookies could be intercepted by hackers and that could violate your privacy. They can also be a security risk on some sites. For this reason you should accept cookies only from sites you trust.

What are other ways in which cookies are used?

Cookies are deposited not only by sites you visit but also by ads you click on. Example: if you visit a website for a Harry Potter movie and you see an ad for Kit Kats, there might be a Kit Kat related cookie deposited on your site if you click on it. This information is how they know to retarget you across different websites.

Should I not accept cookies at all to be safe?

You can do that but then some websites will just refuse to serve content if you do not accept their cookies. So there is a balance between personalization and privacy you will have to strike.
Like this article? Checkout our blog post on 6 cool apps for kids to get into coding!

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