Fingerprinting Articles

July 29, 2021

Incognito Mode Detection: Detecting Visitors Who Browse in Private Mode

Find out how to use Javascript techniques to determine if a website visitor is using incognito mode to access a page.

July 1, 2021

How ad blockers can be used for browser fingerprinting

Signals generated by the use of an ad blocker can improve browser fingerprinting accuracy. This novel browser fingerprinting method, while oft-discussed as a theoretical source of entropy, has only just been added to FingerprintJS as of April 2021.

June 25, 2021

How to Generate Browser Fingerprints in PHP

Learn how to generate browser fingerprints for your PHP application using a free browser fingerprinting service.

June 11, 2021

How Does Canvas Fingerprinting Work?

Canvas fingerprinting is one of the most popular techniques used in browser fingerprinting. We'll show you how it can be used to identify anonymous traffic and show you how to implement it yourself.

June 3, 2021

Bot Detection: Identifying Bot Traffic with Open-source Browser Fingerprinting Techniques

Learn the most common bot detection techniques, and learn to implement bot detection and threat mitigation using browser fingerprinting techniques.

May 25, 2021

Fingerprinting in the Modern Browser: Are Privacy Updates Making It Harder to Prevent Fraud?

Are privacy updates making it harder to use browser fingerprinting for anti-fraud? We go through the major modern browsers and determine what is still possible to keep your website safe.

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.