FingerprintJS 3.x icon

Websites using FingerprintJS 3.x

FingerprintJS is a browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them.

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825 live FingerprintJS 3.x sites, ready to export.

That's how many FingerprintJS 3.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

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Every FingerprintJS 3.x website we detected in the United States.

Only sites where a personal, company-hosted email was found.

Sites with at least one personnel LinkedIn profile.

Start with the highest-traffic end of the dataset.

Limit results to FingerprintJS 3.x websites on .com domains.

Only sites where an organisation phone number was found.

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Versions

Which FingerprintJS 3.x versions are most used?

We could read a version number on over 99% of FingerprintJS 3.x sites. Of those, the most common are FingerprintJS 3 (exact), on 749 sites, FingerprintJS 3.3.0, on 48 sites and FingerprintJS 3.3.3, on 8 sites.

91% on v3 (exact)
Versions detected
11
Sites with a version
822
Share of sites by version
v3 (exact) 91% v3.3.0 6% v3.3.3 1% v3.4.2 1% v3.4.1 <1% v3.0.6 <1% v3.3.1 <1% v3.3.2 <1% v3.3.4 <1% v3.0.3 <1% v3.4.0 <1%

How many websites use FingerprintJS 3.x?

We found FingerprintJS 3.x on 825 websites in our September 2026 crawl, across 64 countries.

Which countries use FingerprintJS 3.x the most?

By number of websites, the top countries are United States (23%, 193 sites), Germany (4%, 35 sites), India (4%, 30 sites), United Kingdom (3%, 26 sites) and Russia (3%, 24 sites). Together they account for 37% of the 825 FingerprintJS 3.x sites we track. 50% of the sites are in English, and .com is the most used domain ending, on 53% of them.

Where are FingerprintJS 3.x websites hosted?

The networks carrying the most FingerprintJS 3.x sites are Cloudflare, Inc. (257 sites), Google LLC (70 sites) and Amazon.com, Inc. (69 sites).

What technologies are used with FingerprintJS 3.x?

Across the 825 FingerprintJS 3.x sites we track, the technologies most often found alongside it are jsDelivr (93%, 766 sites), jQuery (71%, 582 sites), Cloudflare (61%, 505 sites), Bootstrap (51%, 417 sites) and HTTP/3 (46%, 382 sites).

Deep Dive

Breakdown of FingerprintJS 3.x websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of FingerprintJS 3.x websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.