Cookies aretext files with small pieces of data鈥?like a username and password 鈥?that are used to identify your computer as you use a computer network. Specific cookies known as HTTP cookies are used to identify specific users and improve your web browsing experience. Data stored in a cookie is created by the server upon your connection.
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What are computer cookies and how do they work?
What is a cookie?
Tim Fisher has more than 30 years’ of professional technology experience. He’s been writing about tech for more than two decades and serves as the VP and General Manager of Lifewire. Cookies are very small text files placed on your computer by a web server when you view some sites online (not all websites place cookies).
Where are cookies stored in a browser?
When you visit a website, the website sends the cookie to your computer. Your computer stores it in a file located inside your web browser. (To help you find it, this file is often called 鈥淐ookies.鈥? What do browser cookies do?
What do cookies track on the Internet?
Authentication cookies track whether a user is logged in, and if so, under what name. Are Internet cookies safe? Under normal circumstances, cookies cannot transfer viruses or malware to your computer. Because the data in a cookie doesn鈥檛 change when it travels back and forth, it has no way to affect how your computer runs.