Your Browser Has a Unique Fingerprint — And Cookies Are the Least of Your Problems

Clear your cookies. Use incognito mode. Install every ad blocker you can find. You're still being tracked. Browser fingerprinting is a persistent, invisible, unclearable tracking method that has largely replaced cookies as the tool of choice for surveillance capitalism. Unlike cookies — which you can delete — your browser fingerprint is derived from characteristics of your device and software configuration. You can't delete your screen resolution. You can't clear your GPU vendor. You can't empty your list of installed fonts. In 2010, the Electronic Frontier Foundation launched Panopticlick (now Cover Your Tracks) to measure how unique browsers were. The results were stark: 83.6% of browsers had a fingerprint unique enough to track across sites with no cookies at all. Today that number is higher. Let's look at exactly what's being collected — and what it costs you. What Browser Fingerprinting Collects A fingerprint is built by collecting dozens of signals and hashing them into a stable