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Think of the small tracking devices scientists use to follow animal migration patterns, or a GPS transmitter attached to a car. Tracking sites can stitch all the small pieces together to form a unique picture, or "fingerprint," of your device. But it also includes a host of seemingly insignificant data (like screen resolution and installed fonts) gathered by tracking scripts. This includes information the browser needs to send to access websites, like the location of the website the user is requesting. This use of cookies is a privacy violation, and browsers generally allow you to block, limit, or delete cookies.Ī digital fingerprint is essentially a list of characteristics that are unique to a single user, their browser, and their particular hardware setup. But they can also be misused to link all your visits, searches, and other activities on a site together. Their main use is to remember helpful things like your account login info, or what items were in your online shopping cart-in other words, they save your place. What are cookies?Ĭookies are small chunks of information that websites store in your browser. Ad networks primarily rely on two methods to maintain this link: cookie tracking, and browser fingerprinting. As long as this trove of data about you is linked back to you, your online activity can be logged. But when compiled together, they can reveal a detailed behavioral profile of your online activity, from political affiliation to education level to income bracket. But a lot of the information in your browser’s requests is also extracted by third-party ad networks, which have sneaky tracking mechanisms embedded across the Internet to gather your information.Īt first glance, the data points that third-party trackers collect may seem relatively mundane and disparate. For example, HTTP headers are essential to most web functionality, and broadcast your device and browser version. Some of this information is passed along by default simply to help you view the page.
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Deleting mytracks from phone software#
Each request contains several pieces of information about your browser and about you, from your time zone to your browser settings to what versions of software you have installed.
Deleting mytracks from phone code#
In the background, advertising code and invisible trackers on that site might also cause your browser to make dozens or even hundreds of requests to other hidden third parties. When you visit a website, your browser makes a "request" for that site.