Fingerprint (FingerprintJS)
FunctionalFingerprint (FingerprintJS) loaded on 4 sites in our October 2026 scan: 0% of the 2,450 most-visited sites we checked, before any visitor had given consent.
Category: Functional. A company can do several jobs; this is its main role on the pages we saw.
On 75% of the sites where it loaded, a consent banner was already present but hadn't been answered yet. It's especially common on .com.br sites: 4% of them load it, versus 0% of all sites we scanned.
Often loaded alongside
Sites that load Fingerprint (FingerprintJS) most often also load Google Ads (100%), Google Analytics (100%), Amazon Web Services (75%), Google (75%), and Meta (75%).
Domains it loads from
- openfpcdn.io
Sites that load Fingerprint (FingerprintJS)
The highest-ranked 4 of 4 sites.
- testbook.com6 tracking companies
- redcross.org16 tracking companies
- netshoes.com.br15 tracking companies
- neilpatel.com4 tracking companies
Understanding this page
- What the tracker categories mean
What "advertising," "analytics," "social," "consent" and the rest actually mean for a company or a cookie, and how CookieTosser decides which one applies.
- First-party vs third-party cookies (and why "first-party" still tracks you)
What the distinction actually means technically, why browsers only block one of the two, and how CNAME cloaking, server-side tagging and cookies like _ga let sites keep tracking under their own domain.
- How to block or limit trackers
Browser privacy settings, content blockers, Global Privacy Control and clearing cookies compared honestly — what each one actually stops, what it doesn't, and what it costs you in return.