It didn't recognize my Lenovo IdeaPad running Fedora.

So, how does it attempt to identify the device? It did not recognize my device either, which could be due to my anti-fingerprint extensions or something else.

Edit: see https://anruler.com/js/ruler.js.

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artiomyak 4 days ago | parent [-]

I'll fix all this issues

	▲	johnisgood 4 days ago \| parent [-]
		The https://amiunique.org/ website can still gather a lot of relevant information accurately (with JavaScript enabled, of course), so you might want to check their methods.