this post was submitted on 20 Nov 2025
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Amidst the glossy marketing for VPN services, it can be tempting to believe that the moment you flick on the VPN connection you can browse the internet with full privacy. Unfortunately this is quite far from the truth, as interacting with internet services like websites leaves a significant fingerprint. In a study by [RTINGS.com] this browser fingerprinting was investigated in detail, showing just how easy it is to uniquely identify a visitor across the 83 laptops used in the study.

As summarized in the related video (also embedded below), the start of the study involved the Am I Unique? website which provides you with an overview of your browser fingerprint. With over 4.5 million fingerprints in their database as of writing, even using Edge on Windows 10 marks you as unique, which is telling.

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[–] io@piefed.blahaj.zone 24 points 5 days ago (2 children)

here is a fingerprinting test you can trust https://coveryourtracks.eff.org/

fingerprinting is nasty, i suggest canvas blocker extension because it gives them fake readouts

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[–] otacon239@lemmy.world 80 points 6 days ago (4 children)

The only real advantage you gain is being able to watch things outside your region. Without lots of work, you’re pretty easily traceable on the modern internet.

[–] Lost_My_Mind@lemmy.world 36 points 6 days ago (2 children)

I remember in 1996 my neighbor was in one of these fancy new things on the internet called a "chat room".

He got into an arguement with someone. It got heated. Until the other guy threatened to show up at my neighbors house.

My neighbor scoffed and laughed.

Then the guy put in my neighbors real address. To this day, that still scares me. And back then internet crime wasn't taken seriously. In fact doxxing back then may not yet have even been a crime.

[–] pumpkin_spice@lemmy.today 15 points 6 days ago (1 children)

FYI:

https://www.thefire.org/research-learn/doxxing-free-speech-and-first-amendment

In the US, "doxxing" laws are pretty much state-by-state and many may be violating the first amendment.

[–] Lost_My_Mind@lemmy.world 7 points 6 days ago

Today, yes. In 1996 "doxxing" wasn't a term. The internet was so new to people that nobody knew what it could even do.

I'll give you a great example. I remember watching a news report fall of 2000, where K*B Toys was trying this untested idea. Could they use the internet to sell things? The experts said no, and that the internet was a fad. It simply wasn't a medium you could use for commercial things......ebay aside.

In 1996 Google didn't even exist yet. I don't think Amazon was even a bookstore yet. The internet in those days was primitive, and the wild west of the technology realm.

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[–] ronigami@lemmy.world 13 points 6 days ago* (last edited 6 days ago) (1 children)

Most vendors are not going to trace you like that. They can, but it’s actually kind of nontrivial and not “easy.”

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[–] Broken@lemmy.ml 10 points 6 days ago

The other major advantage is your ISP can't build a profile on you. Considering they know who you are and where you live, that's a pretty important air gap to me.

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[–] lol_idk@piefed.social 60 points 6 days ago (1 children)

If the NSA wants you, they will get you. But I can hide from most of you with just a little email relay and a VPN

[–] Deceptichum@quokk.au 28 points 6 days ago (7 children)

I can hide from everyone, I just walk into the woods.

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[–] GreenShimada@lemmy.world 45 points 6 days ago (4 children)

It's always kind of funny when the Technology folks wade into well-researched and well-worn Privacy territory.

Do you want to not wave a giant flag of your activity to Google, Meta, MS, and your ISP when you do literally anything online? Either use a VPN and Mullvad (or Librewolf, but YMMV) browser, OR a VPN and Tor OR Tor with an https bridge if paying for a VPN will make you a target (Tor bridges are not for casuals, save them for those in genuine need).

VPN locations need to be changed. Frequently. Router level VPN at home becomes your "This is me" location, then make use of VPNs on each device when you want an extra layer of obfuscation.

There's not a lot of middle ground at this point, and it's not difficult.

[–] Blackfeathr@lemmy.world 10 points 6 days ago* (last edited 6 days ago) (4 children)

Does that mean my ISP can still detect if I'm going to websites they don't approve of if I'm using Mullvad as my VPN but using Firefox as my browser?

[–] A_Random_Idiot@lemmy.world 20 points 6 days ago* (last edited 6 days ago) (2 children)

No, with a VPN the only thing your ISP sees is you connecting to a VPN server IP.

But browser finger printing, on the other hand, can identify you to every website you visit, due to info your browser hands over to every website... Such as OS version, Resolution, installed Plugins, browser settings, geolocation info, etc..which is often unique enough to identify you out of the whole of the internet.

Ironically, locking your browser down with more security features/settings/plugins often makes you more identifiable. Cause capitalism is god damned sure they are gonna track you and monetize the hell out of your information, whether its via your name, your user name, or just your digital fingerprint.

https://coveryourtracks.eff.org/

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[–] WolfLink@sh.itjust.works 16 points 6 days ago (2 children)

Your ISP can’t tell who you are contacting if you are using a VPN, but websites will track you by other means.

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[–] GreenShimada@lemmy.world 4 points 5 days ago (1 children)

Not your ISP. Google likely is the one following that. If you have uBlock Origin installed, click on the badge on any site and you'll see which trackers there are. For Lemmy, it's just going to list other lemmy instances. When you're on that forbidden site, see if they have any Google analytics trackers - those are what will fingerprint you.

Then go to amiunique.org or hidemytracks.eff.org and see what information you're giving up. Vanilla FF gives up fonts, sound card info, and graphics info, which are enough to pin you to specific hardware. If your machine isn't extremely common, then Google knows it's you.

Why not download the Mullvad browser? It's free, and you're paying for its development if you're paying for the VPN.

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[–] artyom@piefed.social 8 points 6 days ago (1 children)

Router level VPN at home becomes your "This is me" location

You and a thousand other people.

[–] magguzu@lemmy.pt 15 points 6 days ago (2 children)

Yeah, but fingerprinting is effective by cross referencing.

There are 1,000 people with the IP 1.2.3.4

There are 500 people with the IP 1.2.3.4 using Firefox

There are 25 people with the IP 1.2.3.4 using Firefox with a 1440p screen

There are 2 people with the IP 1.2.3.4 using Firefox with the dark reader extension with a 1440p screen at 75Hz

etc.

So rotating the IP can screw with that.

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[–] Quazatron@lemmy.world 33 points 6 days ago (4 children)

I'm not looking to be anonymous, I want access to Stargate Atlantis that Amazon Prime is geo blocking from me.

For that, VPN works as advertised.

[–] jungle@lemmy.world 8 points 6 days ago

Yep. That's how I watch F1 too.

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[–] realitista@lemmus.org 31 points 6 days ago (1 children)

Does anyone know if Firefox's claimed Anti fingerprinting technology is any good?

[–] mybuttnolie@sopuli.xyz 15 points 6 days ago

it's useless. test it out with creepjs

[–] Blackmist@feddit.uk 10 points 5 days ago (1 children)

Every time I use that site it says I am unique. So is that good? Surely if I was trackable, it would match me against the previous times I'd been there.

Or maybe the site is just spouting a load of clickbaity nonsense?

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[–] FE80@lemmy.world 21 points 6 days ago (4 children)

Librewolf + uBlock Origin + Privacy Badger + containerise

For the comedy extra point, a user agent switcher can actively lie about your browser & OS.

[–] W3dd1e@lemmy.zip 23 points 6 days ago* (last edited 6 days ago) (1 children)

Using a browser like Librewolf is, itself a unique identifier bc not enough people are using it.

EFF has a tool that lets you check your “uniqueness” and bc I used a lesser known browser, it was easier to track me.

Not that I mean you shouldn’t use it. I just wanted to clarify that it doesn’t make you safe from ads. :(

[–] FE80@lemmy.world 25 points 6 days ago (3 children)

https://coveryourtracks.eff.org/ is the EFF tool.

My results say that I have strong protections against tracking, and that my browser is unique. It's as good as I can get.

The agent switcher also tells the world my Librewolf on Linux is Chrome on Windows.

[–] mirshafie@europe.pub 8 points 5 days ago (2 children)

Isn't it a bad thing to be unique in this context? If my browser is 1 in a million, that means that a tracker can pick me out of a lineup of a million users, no? That's why a captcha can verify you as human simply by checking a box, because it can identify your unique browser as associated with human activity.

If I'm not mistaken, we want the opposite. We want our browsers to be as generic as possible if we don't want to be tracked.

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[–] W3dd1e@lemmy.zip 8 points 6 days ago

Thanks for linking it! I should have done that. And if LibreWolf is showing as Chrome on Windows, then you’re good!

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[–] DupaCycki@lemmy.world 5 points 5 days ago

It should be noted that user agent switchers may break some website functionalities. I guess this is true for nearly all privacy protections, though this is the only one that gave me any noticeable trouble.

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[–] Amoxtli@thelemmy.club 31 points 6 days ago (1 children)

This is why you use a separate browser for different activities and don't cross contaminate.

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[–] afox@lemmy.world 24 points 6 days ago (20 children)

Good luck I'm behind 7 proxies

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[–] Chivera@lemmy.world 17 points 6 days ago (1 children)

I bought a used laptop from a yard sale and only use public Wi-Fi and never use the laptop for anything with my name on it.

[–] CluckN@lemmy.world 39 points 6 days ago (1 children)

Pfft amateur, I break into my local Applbee’s after 2AM and use their POS terminal browser to look at used cars.

[–] bytesonbike@discuss.online 27 points 6 days ago (1 children)

Applebee's at 2AM which leaves a physical trail? Noob. I strap meshtastic nodes on wild dogs, using them as a Internet relay at 1-2kb a second, to look at manga leaks.

[–] Evil_Shrubbery@thelemmy.club 3 points 5 days ago

I randomly separate by data packages & encode that data into the DNA of various insects & such critters that then burrow down to the tier 1 and tier 2 internets & are trained to transmit that data.

A separate group is standing by at different locations to collect the data & report back to me the results of me signing into my Google account with my full name & billing address as well as the results of by image search for "naked boobs".

There is a bit of ping, but the bandwidth can be scaled nicely.

[–] DeathByBigSad@sh.itjust.works 21 points 6 days ago (1 children)

Pfft, I have 12 firewalls, good luck decrypting these. 🤓

[–] user224@lemmy.sdf.org 9 points 6 days ago

I'll just get 3 hackers to my keyboard, just wait.

[–] ikidd@lemmy.world 10 points 6 days ago

What a pointless article.

[–] BaroqueInMind@piefed.social 9 points 6 days ago* (last edited 6 days ago)

Until someone invents real-life Intrusion Countermeasure Electronics from the cyberpunk genre, where doing shit you dont like leads them to have their equipment destroyed with electricity surge, nothing you do online is private nor is there any consequences from them enumerating everything about you to sell or use maliciously.

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