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A web page that shows you everything the browser told it without asking
(sinceyouarrived.world)
This is a most excellent place for technology news and articles.
I'm guessing it has inferred that (wrongly) from your screen size and resolution.
That's not a great datapoint, if that's the case, there's 2015 phones that are unnecessarily 4K (right when 4K TVs were becoming popular)