Browser Fingerprinting
Is your digital fingerprint unique and trackable?
Participate in a scientific study and find out!
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.
Study statisticsHow 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!
Statistics
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.