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[email protected] : Does Firefox block websites from uploading data that could be used for fingerprinting like resolution, installed fonts, etc.? (lemmy.world)

submitted 5 months ago by [email protected] to c/[email protected]

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Fingerprinting works by collecting bits of information about the browser and device to identify users. Couldn't browsers like Firefox see when a website gets such info with JS and either prevent or ask permission from the user for the website to make HTTP requests to upload such information to the website. Idk if they do something like this already.

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[–] [email protected] 1 points 5 months ago* (last edited 5 months ago)

If you turn on resist fingerprinting then supposedly yes. It does pass the test with fingerprint.com then. Assuming you’re using a VPN of course.

I’ve been running with resist fingerprinting enabled for about a year and aside from the annoyance of having all your new windows spawn at a very small fixed size, the only major issue is knowing that for some websites to work you may have to enable HTML5 canvas for them. (It’s an icon that will appear in the location bar and you will know to look for if things that are supposed to be graphics in the web page are just a bunch of striped boxes instead.)