Device fingerprinting is a process used to identify a device or browser by determining which technology, such as the Operating System (OS) and browser plugins along with other active settings, are present. Unlike website cookies that are stored on a user’s device, device fingerprints are stored server-side.
Device fingerprinting is used to track users and determine if they are unique or a known visitor. This method gives webmasters an important insight into who is visiting their site but comes at the cost of user privacy.
How Does Device Fingerprinting Work?
What is Device Fingerprinting Used For?
Because device fingerprinting doesn’t provide reliable data, companies treat it as a backup method of tracking when cookies cannot be used.
It is mostly used for advertising and marketing purposes to target specific audiences.
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