Using a Virtual Private Network (VPN) to frequently change your IP address can help avoid being tracked online, but it has its limits. Online tracking has evolved beyond just relying on IP addresses, which are the unique numerical labels assigned to devices on the internet. While changing your IP address through a VPN used to require manually switching servers, many providers now offer automated IP rotation. This allows the IP address to change at regular intervals or when visiting specific websites, making it harder for websites to link your online activities based on your IP alone. Traditionally, when you use a consumer-oriented VPN, your traffic is routed through a server that provides a different IP address. This IP is often shared among multiple users, making it harder for websites to connect your visits to a single person. IP rotation takes this a step further by assigning multiple IP addresses to your browsing session. This creates a form of "dispersion," making it even harder for websites or tracking tools to link your activities based on your network address. Some services, like Surfshark and ExpressVPN, allow users to set how often the IP address changes or adjust it based on the websites you visit. However, changing your IP address doesn’t erase your online identity entirely. If a website already knows something about you—like through cookies or if you’re logged into an account—it can still track your activity regardless of your IP. For example, once a site places a cookie on your browser, it can recognize your device even if your IP changes multiple times. Similarly, if you're logged into services like Google or Amazon, your account is linked to your activity, making the IP address less relevant. Beyond cookies and accounts, websites can use "fingerprinting" techniques to track users. These methods rely on details like your browser type, operating system, screen resolution, and other features to create a unique digital fingerprint. These fingerprints are not affected by IP changes, meaning IP rotation only addresses part of the tracking problem. To effectively reduce online tracking, users should also block third-party cookies, use separate browser profiles, and take advantage of built-in privacy features in browsers like Firefox, Safari, or Brave. While these steps help, they don’t replace the need for IP rotation, which can still play a role in limiting tracking based on network addresses.