![]() ![]() Make it precise enough, and the site in question can be pretty sure who you are and use that information to target ads at you.įor example, there are only so many people who use a specific Android version. However, with enough of these data points, the picture of the user on the other end becomes clearer and clearer. Besides device information, it includes data like the type and version of the browser that you’re using, the operating system that you’re rocking, the language that your browser is in, and a lot of other, more minor data points, like screen resolution.Īt first glance, this might seem like pedestrian stuff. ![]() A device fingerprint or a machine fingerprint is information about the device you’re on, collected either through a browser or an app.Ī browser fingerprint is more specific, and is all of the information gathered through the browser. It’s called a fingerprint because, like with the ones on your fingers, with enough data, it can be made entirely unique.īefore we move on, though, let’s clear up some terminology: The terms browser fingerprinting and device fingerprinting are often used interchangeably, but that’s not entirely correct. It works by running a script that looks at specific data your browser sends to the site and compiling a profile of you as a user. Websites can use browser fingerprinting to identify you.
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