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Markup /zellig/74448
Comment
>>74397 They don't, user agents aren't unique enough to do that, usually the user agent will show that the request comes from Windows in the latest version and Chrome in the latest version, you ban it and pph drops by 1/3, what they do instead is canvas fingerprinting and detecting the browser version through browser-specific events like onmozfullscreenchange or gestureend.
