Browser Fingerprinting

Is your digital fingerprint unique and trackable?
Participate in a scientific study and find out!

Participate in the study How participation works


User recognition

Without your knowledge or consent, you can be recognized by your browser's fingerprint. This is due to the unique combination of up to hundreds of attributes that browsers can reveal.

How to do a self-test

Cookieless tracking

Unlike cookies, browser fingerprinting does not require any data to be stored to recognize users. The characteristics of the browser can be determined anew with each page visit.

Frequently asked questions

Privacy research

In our study, we collect browser characteristics for research purposes. With your participation, you support privacy-oriented research on Web privacy.

Statistics PETS 2020

How participation works


Weekly fingerprint

Sign up with your email address and receive one personalized link per week to check your fingerprint.


Test all browsers

You are free to use any browser on your devices. Try all browsers on both desktop and mobile devices!



In addition to public statistics of our study, you will gain insights into personal statistics of your participation.


No pressure!

You decide whether you participate on a weekly basis, or not. Besides, you can unsubscribe at any time. No questions asked.


Privacy first

Of course, we have not embedded any external content from third parties in our website to respect and protect your privacy.

About us


Who we are

We are security and privacy researchers at Friedrich-Alexander University Erlangen-Nürnberg, Germany.


Our motivation

We think privacy matters and we collect browser fingerprints to assess their consequences for privacy.