What Are Browser Cookies and Why Should You Care?
Quick summary: Cookies are small text files websites store on your computer. Some are essential, but many exist solely to track your browsing habits across the internet.
What Exactly Are Cookies?
When you visit a website, it often stores a small text file on your computer called a cookie. These files contain data like your login status, language preference, items in your shopping cart, and unique identifiers that websites use to recognize you.
Originally, cookies were a practical invention. Without them, every time you refreshed a page, you would lose your login session or your shopping cart would empty. Cookies solved these problems by allowing websites to remember you.
The Good, the Bad, and the Tracking
- Keep you logged in
- Remember your preferences
- Store shopping cart items
- Maintain your language choice
- Follow you across websites
- Build advertising profiles
- Record your browsing habits
- Sold to data brokers
The Staggering Numbers
Research shows that the average internet user accumulates between 100 and 200 tracking cookies per day. Popular news websites can set 50 or more cookies on a single visit. Many of these come from third-party advertising networks that track you across thousands of websites, building a detailed profile of your interests, habits, and behavior.
How to Protect Yourself
The most effective approach is to automatically clear your cookies on a regular schedule. Manual deletion is unreliable because most people simply forget. Browser extensions like Auto History Wipe can handle this automatically, removing tracking cookies while you can choose to preserve essential ones.
Auto History Wipe automatically clears tracking cookies on your schedule — free, forever. No sign-up required.
Install Auto History Wipe