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Technology · Analytics

FingerprintJS

fingerprint.com
Open sourcePay as you go

FingerprintJS is a sophisticated browser fingerprinting library that enhances online security and user tracking. It works by collecting and analyzing various browser attributes to generate a unique, hashed identifier for each visitor. This powerful tool enables websites to recognize returning users, detect potential fraud, and improve user experience without relying on traditional cookies or login information.

FingerprintJS belongs toBrowser fingerprintingJavaScript librariescategories.

19websites

use it — 0.7% of the 2,555 websites we scanned in the last 12 months

#33of 109

tools in its category seen in our scans (we recognize 255)

10public pages

on UptimeCard — open any of them to see how that site is doing

0.64% of all websites we track run FingerprintJS

At a glance

UptimeCard's own scans and tests of 2,555 websites · refreshed weekly

How FingerprintJS sites scoreout of 100 · hover or tap a score for details

46PerformancePooraverage site: 5088AccessibilityGoodaverage site: 8979Best practicesFairaverage site: 9389SEOGoodaverage site: 92

Page load time

Loads about 47% slower than the average site

FingerprintJS sites
6.3 s
All sites
4.3 s

Most FingerprintJS sites load in 4.6–7.7 s. Home page weight: 3.7 MB vs 3.3 MB for all sites. 10 public sites measured.

Who uses it?

Technology and Software is the biggest group

Technology and Software40%
Business Services30%
Educational Resources10%
Software as a Service (SaaS)10%

Share of 10 classified public sites. “× average” compares with all 961 public sites.

How FingerprintJS sites are built

Closest partners. The number says how many times more often the tool runs on FingerprintJS sites than on an average website. Hover a partner for its share of sites.

FullContact101×LiveIntent67×jsDelivr5×Yoast SEO4×Microsoft Advertising3×Bootstrap3×Facebook Pixel3×Font Awesome3×Linkedin Insight Tag3×

Usually installed alongside

The bigger the bubble, the more of the 19 FingerprintJS sites also run the tool. Colour shows what the tool does. Hover or tap a bubble for details.

Google Tag Manager84%Google Analytics79%Facebook Pixel53%Linkedin Insight Tag47%Microsoft Advertising42%DoubleClick Floodlight26%AdRoll21%LiveIntent42%Yoast SEO32%OneTrust26%CookieYes21%HubSpot21%Marketo21%6sense16%Cart Functionality16%
Tag managerAnalyticsAdvertisingEmailSearch visibilityCookie consentMarketingOnline store

Similar tools in its category

Browser fingerprinting: 255 tools known, 109 seen in our scans

How websites combine FingerprintJS with other tools

Relationships found on the websites that use it, from the same map status pages show.

Complements another tool 7Needs another tool 1Integrates with another 1Overlaps with another 1

Websites using FingerprintJS

19 websites use FingerprintJS: 0.7% of the 2,555 websites we scanned in the last 12 months. A selection is shown below.

Scores are out of 100: P Performance · A Accessibility · B Best practices · S SEO. Green 80+, yellow 65–79, orange 50–64, red below 50. The dot shows whether our last scan found the site failing (red) or not (green); Red, amber or blue: an active incident on the site's status page (outage, degraded, maintenance) or a failing scan; amber also means a certificate ending within 30 days. Hover the dot for details.

Questions about FingerprintJS

How many websites use FingerprintJS?
We found FingerprintJS on 19 of the 2,555 websites we scanned in the last 12 months (0.7%). 10 of them have a public status page.
What is FingerprintJS often used with?
Among the websites we scan, FingerprintJS is often found alongside Google Tag Manager (84.2% of its sites), Google Analytics (78.9% of its sites), jsDelivr (63.2% of its sites).
What are the alternatives to FingerprintJS?
Other browser fingerprinting tools we recognize include jQuery, core-js, Swiper, jQuery Migrate.

Is your website built with FingerprintJS?

UptimeCard checks it around the clock, tells you the minute it stops answering, and gives your visitors a status page.