Safari in Arms Race Against Trackers – Criteo Feels the Heat
Criteo is an ad company. You may not have heard of them, but they do retargeting, the type of ads that pursue users across the web, beseeching them to purchase a product they once viewed or have already bought. To identify users across websites, Criteo relies on cross-site tracking using cookies and other methods to follow users as they browse.
Source: Safari in Arms Race Against Trackers – Criteo Feels the Heat