Jan. 18, 2025, midnight

Understanding Browser Cookies: What Are They?

Browser cookies are small pieces of data stored on your computer by websites you visit. They serve various functions, such as keeping you logged in, remembering your preferences, and personalising your online experience. But what exactly are cookies, and how do they work?

How Do Cookies Work?

When you visit a website, it sends a cookie to your browser. This data packet is then stored on your computer. The next time you visit the same site, your browser sends this data back to the server, allowing the website to recognise you and remember your previous interactions.

Types of Cookies

There are several types of cookies:

  • Session Cookies: These are temporary and are deleted once you close your browser.
  • Persistent Cookies: These remain on your computer for a set period, even after you close your browser.
  • Third-Party Cookies: Set by a domain other than the one you are visiting, often used for advertising purposes.

Are Cookies Safe?

For the most part, cookies are safe. They cannot access your personal files or install malware. However, they can track your browsing habits, which some users may find intrusive. It's essential to manage your cookie settings through your browser preferences to ensure your privacy is maintained.

Managing Your Cookies

You can easily manage and delete cookies through your browser settings:

  • Google Chrome: Go to Settings > Privacy and security > Cookies and other site data.
  • Mozilla Firefox: Go to Options > Privacy & Security > Cookies and Site Data.
  • Safari: Go to Preferences > Privacy > Manage Website Data.

Conclusion

Browser cookies enhance your online experience by remembering your preferences and personalising content. However, it's essential to understand their functions and know how to manage them to ensure your web activities remain private and secure.