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What is the point of all the information given out by your browser? (literature.cafe)
submitted 5 months ago by to c/nostupidquestions@lemmy.ca
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So the other day someone linked to a website that highlighted how much information is just gifted to any place you visit on the web.

I'm aware of some of it being intrinsic to the manner of connection. A website knowing your IP (even if that is the IP of the vpn or tor exit node you're using) is basically essential to the function of the internet. Why everything else though? What fucking idiot/asshole decided to even have an api for your gpu? Why the fuck is my browser reporting on the battery status? Light/dark mode? Visibility (whether or not the tab is 'active', the fuck?!? My OS?!!???!?!!!?!?!?

As a side question, why is the capability built in by a browser, but the user is never given a choice about whether or not any of this is shared?

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[โ€“] 2 points 5 months ago (2 children)

Most of these things actually are purely client side. But nothing can prevent the website from sending that information back to the server.

Or they can be inferred from the client behaviour. Like you said from the GPU capabilities you can get to the actual hardware. If a client only downloads the dark mode CSS it knows which mode the user is currently on.

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  • [โ€“] 2 points 5 months ago (1 child)

    Why do you think a client should have to download a dark mode CSS separately? Have you put any thought into why that is treated as a separate request, rather than a function of an existing page that could be switched between offline without any acknowledgement sent from the client?

    Web standards have been butchered to force these constant validation measures for the sole purpose of telemetry/spyware. A client should be able to render a web page however the fuck it wants and the server that sent the page should be none the wiser.

    And what of things like battery status? That has no legitimate purpose at all. No web site is going to change its behavior in response to your battery status, but current charge % and battery wear stats alone are enough to perfectly distinguish your mobile device from anyone else that you would be sharing a IP address with.

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  • [โ€“] 1 point 5 months ago

    Don't shoot the messenger, that's just how these things are.

    And it actually is possible to put all the light and dark mode stuff into one place and switch on the fly without any additional downloads but then people would complain about having to download stuff they don't need on their end. And if the site showed different images depending on light and dark they would again be able to figure it out.

    Most of these APIs were added when more and more applications were built on the web. You can even access USB-devices from the web.

    I'm not saying these things are good. Just that there definitely were reasons beyond telemetry for creating them.

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