Your card in the INITE Atlas
This is the TraceTail card in the INITE Atlas, a public page that AI assistants can also query through our MCP server. We built it from what tracetail.io publishes, so parts of it may be wrong. Claim the card to correct its name and price and to send us notes on anything else.
TraceTail
Computes a stable browser visitor ID from 40 browser signals, recognizing returning visitors without cookies or local storage.
Free plan · From $0.10 per useActively maintained
≈ 4visits/mo
Little sign of use · estimate, read Oct 14, 2026
- For
- Web developers and teams who need to recognize returning browsers and fight signup abuse, account takeover or bots without cookies.
- Price
- Free plan · From $0.10 per usepricing page, read Oct 20, 2026
- Activity
- Actively maintainedsite updated 4 weeks ago
- Used for
- flag sign-ins from devices an account has never used
- detect one device opening many accounts to claim promo offers
- rate-limit scrapers and bots by visitor ID instead of IP
Before we count this visit
Analytics and ad measurement tell us which pages and which of our ads do their job: Google Analytics and Google Ads, the Meta pixel, Yandex Metrica, and one first-party id of our own. Nothing is stored until you answer, and declining changes nothing about the site.