What are Cookies?
What are Cookies?

What are cookies on websites?

Cookies are small text files that are downloaded onto your device by websites that you visit. They are stored in your browser, allowing websites to remember your preferences, login details, and browsing history. Cookies are used by websites to improve user experience, track user behaviour, and provide targeted advertising.

When you visit a website, it sends a cookie to your browser, which is stored on your device. The next time you visit that website, your browser sends the cookie back to the website. This allows the website to recognize you and remember your preferences.

types of cookies

There are two main types of cookies:

  • Session cookies
  • Persistent cookies.

Session cookies are temporary and are deleted when you close your browser. They are used to keep track of your activities on a website during a single browsing session. Persistent cookies, on the other hand, are stored on your device for a longer period of time, typically for several months or even years. They are used to remember your preferences and login details, even after you have closed your browser.


Cookies are used for a variety of purposes, including:

  • Authentication: Cookies are used to remember your login details, so you don’t have to enter them every time you visit a website.
  • Personalization: Cookies are used to remember your preferences, such as language, location, and font size.
  • Analytics: Cookies are used to track user behaviour, such as the pages you visit, the links you click on, and the time you spend on a website. This information is used to improve the website’s performance and user experience.
  • Advertising: Cookies are used to track your browsing history and deliver targeted advertising. This allows advertisers to show you ads that are relevant to your interests.

advantages and disadvantages

Cookies have both advantages and disadvantages. On the one hand, they allow websites to provide a more personalized and convenient user experience. They also allow advertisers to deliver more relevant ads, which can benefit both advertisers and consumers. On the other hand, cookies can be used to track your browsing history and collect personal information, which can be a privacy concern.

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To address these concerns, most web browsers allow you to control cookies. You can choose to accept or reject cookies, and you can also delete cookies that have been stored on your device. You can also set your browser to notify you when a website wants to send a cookie, so you can decide whether or not to accept it.

In conclusion, cookies are a vital component of the modern web, allowing websites to provide a more personalized and convenient user experience. While they can be used for tracking and collecting personal information, most web browsers provide users with the ability to control cookies and protect their privacy.

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