The digital advertising ecosystem is undergoing a fundamental shift due to privacy regulations and browser policies. Google Chrome's phased removal of third-party cookies, Meta's Aggregated Event Measurement model, and Apple's ATT framework are forcing performance marketers toward first-party data strategies.
First-party, second-party, zero-party: The differences
- First-party data: Behavioral data collected from your website, app, and CRM (page views, purchases, form submissions).
- Zero-party data: Preference data users consciously share (survey responses, membership profiles, preference centers).
- Second-party data: Permission-based data sharing from trusted business partners.
Application areas in performance marketing
The most effective way to pass first-party data to ad platforms is through server-side tracking and Conversion API (CAPI) integrations. Google Ads Enhanced Conversions, Meta CAPI, and TikTok Events API bypass browser restrictions and provide more accurate attribution.
Syncing CRM data with ad platforms (Customer Match, Lookalike Audiences) improves the efficiency of remarketing and similar-audience campaigns.
The Mizemedia approach
In performance marketing projects, we treat data infrastructure as an integral part of campaign setup. Through GTM server-side container setup, Enhanced Conversions implementation, and CRM-ad platform integration, we help clients preserve measurement accuracy and targeting capacity.



