Series - First-Party Data

First-party data in online advertising, part 1: How it works and why it improves campaign performance

Learn how first-party data improves campaign performance, measurement accuracy, and cross-device tracking. Discover practical ways to collect and use it.

23/2/2026

Part 2 / 5

First-party data in online advertising, part 2: How to collect it and send it to media systems

Complete technical guide to collecting first-party data via dataLayer, normalizing, hashing, and sending through server-side GTM to Google Ads and Meta.

2/4/2026

Part 3 / 5

First-party data in online advertising, part 3: Debugging – how to verify that everything works

Part 3 of our first-party data series: how to verify that data is correctly reaching Google and Meta — from DevTools to checks directly in the platforms.

1/6/2026

Comming soon

Part 4 / 5

First-party data in online advertising, part 4: Setup specifics for Google Ads, Meta, Sklik and other platforms

Learn what first-party data is, how to collect it responsibly and share it securely with advertising platforms, and how to use it to improve attribution, campaign performance and lead quality—from consent and hashing to CRM imports and debugging.

Soon

Comming soon

Part 5 / 5

First-party data in online advertising, part 5: Consent, security and hashing

Learn what first-party data is, how to collect it responsibly and share it securely with advertising platforms, and how to use it to improve attribution, campaign performance and lead quality—from consent and hashing to CRM imports and debugging.

Soon

First-Party Data

Parts of the series