First-party cookie

First-party Cookies are created by a visited website. They can be used by the website owner to gather analytics data, for content personalization, remembering language settings, and other functions that ensure a better user experience.

Check out our free Online Cookie Scanner: https://piwik.pro/cookie-scanner/

More about first-party cookie and data on Piwik PRO blog:
First-party vs third-party cookies: why first-party is the way to go