Fingerprinting Articles

May 18, 2021

Announcing FingerprintJS Pro Free Tier

Making accurate visitor identification accessible for all with a longer unlimited trial period, a free forever tier and no credit card required.

May 17, 2021

6 Ways to Permanently Ban Users from Your Website

Block specific users from accessing your website content by their IP, email address, browser fingerprint and more.

May 13, 2021

Exploiting custom protocol handlers for cross-browser tracking in Tor, Safari, Chrome and Firefox

The FingerprintJS team has uncovered a scheme flooding vulnerability. We explain how the exploit works across four major desktop browsers and show why it's a threat to anonymous browsing.

May 12, 2021

How to Build the Best Paywall Solution with Node and Browser Fingerprinting

Tired of leaky paywalls? Build a custom paywall solution for your website with our step-by-step guide.

April 1, 2021

The Top Browser Fingerprinting Techniques Explained

To make an accurate browser fingerprint, you need to gather as many signals as possible. In this article, we go over some of the techniques used to generate signals that vary between site visitors enough to be useful for browser fingerprinting.

March 25, 2021

Why It’s Not Just Netflix Losing Money From Subscription Sharing

Many websites are losing significant revenue from account sharing and may not even know the extent of the problem. In this article, we go over why subscription sharing might be costing your business more than you thought, and how to prevent it.

March 18, 2021

How the Web Audio API is used for audio fingerprinting

Audio Fingerprinting is used to uniquely identify visitors without cookies. A deep dive into this highly stable browser fingerprinting technique.

March 16, 2021

How to Prevent Multiple Signups With FingerprintJS Pro

Protect your free trial offer forms from signup abuse. In this step-by-step tutorial, catch visitors who have filled out a form previously using FingerprintJS Pro.

March 15, 2021

How to minimize CAPTCHA API calls to streamline UX and improve conversions

Looking for CAPTCHA alternatives? With user identification, you can reduce your need for CAPTCHA technology to catch bots and spam filling out forms on your website.

March 11, 2021

Multi-accounting prevention in the gaming and gambling industry: not just a poker problem

Multi-accounting allows players to cheat by sharing information, resources, or having more chances to win a big tournament. Learn how multi-accounting works and how to stop it with sophisticated visitor identification techniques.

December 24, 2020

The Beginner’s Guide to Browser Fingerprinting for Fraud Detection

Browser fingerprinting is a useful tool for developers to detect fraudulent activity on their website. Learn how this identification technique works with a real-life example.

December 8, 2020

Life after ANDROID_ID: Android Identification via Device Fingerprinting

Device fingerprinting is a powerful tool for Android developers to accurately identify their users. Learn how you can use the Fingerprint Android library to future-proof your application security.