First-party cookie
A tracking cookie set directly by the website a visitor is browsing — more reliable than third-party cookies and largely unaffected by modern browser privacy restrictions.
How First-party cookie work
When a referred visitor lands on your site, Partnero's tracking snippet sets a cookie under your domain. Because it originates from your own domain rather than an external ad network, it is treated as a first-party cookie. First-party cookies are not blocked by Safari's Intelligent Tracking Prevention (ITP) or Firefox's Enhanced Tracking Protection in the same way third-party cookies are.
Why it matters for your program
As browsers increasingly restrict third-party cookies — and Chrome's own deprecation plans have signalled where the industry is heading — first-party tracking is no longer just a nice-to-have. Programs that rely on third-party cookies risk significant attribution loss. Partnero is built on first-party cookies by default.
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