this post was submitted on 26 Dec 2025
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I dont think its about the timezone being shared specifically. Its that your timezone can be a part of the puzzle used to track and identify you.
Ad companies dont need to know your name to know who you are. They just need to be able to track your online habits and they can build a digital signature that is you, and they can target that signature and know what to advertise without knowing who you are.
Yep, anti-fingerprinting is a bunch of smaller features, like not auto setting dark theme, not sharing your timezone, not sharing your specific browser version and so on.