With the disappearance of third-party cookies, retargeting could become a less efficient tactic. Third-party cookies are a crucial tool when it comes to retargeting since the more information you have about an individual, the easier it becomes to show them relevant ads. However, while it may be more difficult and less effective, retargeting won’t disappear altogether following the Cookiepocalypse. First-party retargeting, which builds audiences for a site based on user behavior on that same site, will still be a viable option.