GLOSSARY
Data layer
In brief: Structured JavaScript object used to pass e-commerce and consent data to tag managers.
Related terms
Tag management system to deploy GA4/Ads/Pixels without frequent code releases; requires governance and consent control.
Measurement of conversions (purchase, add_to_cart). Required for bidding optimization; must respect consent where applicable.
Google's analytics platform built around events. Common for e-commerce measurement and Ads integration.
FREE REPORT
Want a personalized checklist for your site?
In ~60 seconds you get a prioritized checklist on trust signals (contacts, returns, shipping), policy pages and product-page consistency (price/stock) + Product schema.
Browse the glossary