--- title: "Blog — TraceTail" description: "Guides and analysis on browser fingerprinting, bot detection, privacy law and fraud prevention from the TraceTail team." url: https://tracetail.io/blog updated: 2026-10-05 --- # TraceTail blog Guides and analysis on browser fingerprinting, bot detection, privacy law and fraud prevention. ## Featured Guides · 4 min read ### [How browser fingerprinting works: a developer's guide](https://tracetail.io/blog/how-browser-fingerprinting-works) Canvas, WebGL, fonts and the other browser traits behind a fingerprint: what each one measures, why it differs between devices, and how TraceTail turns them into a visitor ID. February 15, 2025 Guides · 3 min read ### [Inside a TraceTail fingerprint: every signal explained](https://tracetail.io/blog/browser-fingerprint-signals-explained) The 45 measurements TraceTail's browser SDK takes, grouped into five families: what each one contributes, how they become a visitor ID, and what TraceTail deliberately leaves out. January 28, 2025 ## Latest Industry · 2 min read ### [TraceTail vs FingerprintJS: pricing, limits and features compared](https://tracetail.io/blog/tracetail-vs-fingerprintjs) How TraceTail compares with Fingerprint, the company behind FingerprintJS, on price, free allowance, rate limits, platforms and data retention, using Fingerprint's published pricing. February 10, 2025 Guides · 3 min read ### [Detecting bots without cookies](https://tracetail.io/blog/detecting-bots-without-cookies) How headless browsers and automation frameworks give themselves away, which checks are worth running, and how to combine them with a visitor ID. February 5, 2025 Industry · 3 min read ### [What happens when cookies die? Fingerprinting in a privacy-first web](https://tracetail.io/blog/fingerprinting-without-cookies) Safari, Firefox and Chrome have each limited cookies in their own way. Where that leaves visitor identification, and where fingerprinting fits. January 25, 2025 Privacy · 4 min read ### [Browser fingerprinting and the GDPR: what the law requires](https://tracetail.io/blog/gdpr-compliant-fingerprinting) ePrivacy consent, GDPR legal bases, data minimization, retention and erasure: a practical guide for teams adding fingerprinting in the EU. Not legal advice. January 22, 2025 Industry · 3 min read ### [Browser fingerprinting research: what recent papers found](https://tracetail.io/blog/browser-fingerprinting-research-2024-2025) What three studies (FP-Inspector, FPTrace and a 2024 review of fingerprinting and privacy) found, and what they mean for teams that rely on fingerprinting. January 20, 2025 Use cases · 3 min read ### [Fraud prevention in financial services with browser fingerprinting](https://tracetail.io/blog/banking-fraud-prevention) Spot account takeover and credential stuffing by checking which device is signing in, with code for the login flow and a clear look at the limits. January 18, 2025 Industry · 2 min read ### [The future of browser fingerprinting](https://tracetail.io/blog/future-browser-fingerprinting) Browser defenses, privacy law and automation are reshaping device identification. What's changing, and what it means for teams that rely on it. January 15, 2025 Use cases · 2 min read ### [E-commerce fraud detection with device fingerprinting](https://tracetail.io/blog/ecommerce-fraud-prevention) Use a visitor ID to catch promo abuse, card testing, multi-accounting and account takeover in an online store: patterns, thresholds and code. January 12, 2025 Use cases · 3 min read ### [Defeating sophisticated fraud: layering device, behavior and network signals](https://tracetail.io/blog/defeating-sophisticated-fraud) Why no single signal stops determined fraudsters, and how to layer a device ID, behavioral checks and network context into graduated responses. January 10, 2025 Use cases · 2 min read ### [Multi-accounting and ban evasion on gaming platforms](https://tracetail.io/blog/gaming-platform-security) How browser-based games can use a visitor ID to link alt accounts and catch ban evaders, and where fingerprinting stops helping. January 8, 2025 Privacy · 3 min read ### [Privacy-first fingerprinting: balancing security and user rights](https://tracetail.io/blog/privacy-first-fingerprinting) Collect less, say what you do, keep data for a limited time and honor deletion requests: practical habits for using fingerprinting responsibly. January 5, 2025 Use cases · 2 min read ### [Protecting travel bookings with device recognition](https://tracetail.io/blog/travel-hospitality-fraud-prevention) Loyalty-point farming, booking fraud with stolen cards and price-scraping bots: how travel sites can use a visitor ID against each. January 2, 2025 Use cases · 3 min read ### [Building resilient authentication: device recognition beyond passwords](https://tracetail.io/blog/resilient-authentication) Use a visitor ID to tell known devices from new ones at sign-in, add friction only when the risk is real, and know where the signal stops. December 20, 2024 ## Start identifying visitors today 1,000 requests free every month, no credit card required. Add a card only when you need more. [Get started free](https://tracetail.io/auth) [Read the docs](https://tracetail.io/docs)