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Cookie syncing, cookie synchronization or cookie matching is a technique in online advertising to track users across multiple websites. Once users see an advertisement , user data in the form of cookies is shared among ad companies, allowing them to link identifiers and create a user-specific profile to optimize targeted advertising .
Cookies are added to HTTP (Hypertext Transfer Protocol), and when a user clicks on a link, they are connected to the associated web server. [3] This action of a user clicking on a link is seen as a request, and the server “responds” by sending the user's information, and this information is a cookie. [ 3 ]
ATDMT is a tracking cookie [1] served by Facebook subsidiary Atlas Solutions [2] and used as a third-party cookie by several websites. The cookie originates from the domain atdmt.com which is owned by Atlas. [3]
Web tracking is the practice by which operators of websites and third parties collect, store and share information about visitors' activities on the World Wide Web.Analysis of a user's behaviour may be used to provide content that enables the operator to infer their preferences and may be of interest to various parties, such as advertisers.
"Cookies have a bad reputation because they facilitate tracking, including across websites," Steinberg says. That can allow a provider to track your activity wherever you go online, he points out.
Another form of tracking permitted by ultrasonic tracking is cross-device tracking, which enables a user's profile to be connected across multiple devices based on proximity. [3] This form of tracking, in linking different devices, can help advertisers show more targeted ads or open individuals to attacks by malicious actors. [3]
A cookie is a small piece of data stored on your computer by your web browser. With cookies turned on, the next time you return to a website, it will remember things like your login info, your site preferences, or even items you placed in a virtual shopping cart! • Enable cookies in Firefox • Enable cookies in Chrome
A browser's cache stores temporary website files which allows the site to load faster in future sessions. This data will be recreated every time you visit the webpage, though at times it can become corrupted.