What Is Browser Fingerprinting?

// My System Information on the Internet

How websites track you across the internet — without cookies, without your knowledge, and without any way to clear it.

Browser fingerprinting is a tracking technique that collects unique technical details about your browser and device to create a digital “fingerprint.” Unlike cookies, it works silently in the background, cannot be cleared by deleting your history, and continues tracking you even in incognito mode.

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How Browser Fingerprinting Works

When you visit a website, your browser automatically shares certain parameters so the page displays correctly. Tracking scripts gather dozens of these signals — operating system, browser version, screen resolution, timezone, installed fonts, GPU details — and combine them into a unique identifier.

While millions of people might share one trait (like using Windows), the exact combination of all your settings is mathematically unique to you. The result is converted into a single hash — a tracking ID that follows you across sites.