Updated
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
Page load time
Loads about 47% slower than the average site
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
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.
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.
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.
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.
| Website | Industry | Hosted | Load time · size | Scores ⓘ | Status |
|---|---|---|---|---|---|
| Wikis/Knowledge Bases | GermanyCLOUDFLARE | 4.7 s · 2.9 MB | P32A95B79S100 | ||
| Business Services | United StatesCloudflare London, LLC | 8.2 s · 4.9 MB | P57A87B93S100 | ||
| Technology and Software | CanadaFastly, Inc. | 6.7 s · 3.1 MB | P50A96B96S92 | ||
| Educational Resources | United StatesGoogle LLC | 4.3 s · 2.2 MB | P38A90B77S85 | ||
| Business Services | CanadaCloudflare, Inc. | 4.6 s · 1.9 MB | P45A77B96S85 | ||
| Technology and Software | United StatesCloudflare London, LLC | 7.7 s · 11.9 MB | P51A87B81S92 | ||
| Business Services | United StatesAmazon.com, Inc. | 3.5 s · 0.5 MB | P70A84B77S85 | ||
| Technology and Software | United StatesAmazon.com, Inc. | 12.4 s · 7.7 MB | P47A88B79S77 | ||
| Technology and Software | United StatesGoogle LLC | 7.7 s · 6.0 MB | P39A86B79S85 | ||
| Software as a Service (SaaS) | – | 6.0 s · 4.4 MB | P42A97B0S92 |
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.
Brevobrevo.comWikis/Knowledge BasesGermany4.7 s · 2.9 MBP32A95B79S100
Archivearchiveresale.comBusiness ServicesUnited States8.2 s · 4.9 MBP57A87B93S100
Mablmabl.comTechnology and SoftwareCanada6.7 s · 3.1 MBP50A96B96S92
Skillableskillable.comEducational ResourcesUnited States4.3 s · 2.2 MBP38A90B77S85
Xenditxendit.coBusiness ServicesCanada4.6 s · 1.9 MBP45A77B96S85
Rev.iorev.ioTechnology and SoftwareUnited States7.7 s · 11.9 MBP51A87B81S92
Jazzhrjazzhr.comBusiness ServicesUnited States3.5 s · 0.5 MBP70A84B77S85Honeycombhoneycomb.ioTechnology and SoftwareUnited States12.4 s · 7.7 MBP47A88B79S77
Ironcladironcladapp.comTechnology and SoftwareUnited States7.7 s · 6.0 MBP39A86B79S85
Greenhousegreenhouse.ioSoftware as a Service (SaaS)6.0 s · 4.4 MBP42A97B0S92
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.