NinthDecimal
AdvertisingNinthDecimal loaded on 5 sites in our October 2026 scan: 0% of the 2,450 most-visited sites we checked, before any visitor had given consent.
Category: Advertising. A company can do several jobs; this is its main role on the pages we saw.
Its cookies typically last about 12 months. Only 20% of the sites where it loaded had a consent banner visible at all.
Often loaded alongside
Sites that load NinthDecimal most often also load Adobe (100%), Google Ads (100%), iSpot.tv (100%), TransUnion (Aggregate Knowledge) (100%), and BidSwitch (80%).
Domains it loads from
- lciapi.ninthdecimal.com
Cookies
- ndat4 sites
Sites that load NinthDecimal
The highest-ranked 5 of 5 sites.
- amazon.com33 tracking companies
- amazon.com.mx34 tracking companies
- audible.com25 tracking companies
- simplisafe.com31 tracking companies
- toyota.com19 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.