- Does the tool generate server-side or client-side tracking code?
- Client-side by default (browser JavaScript). Toggle to server-side to get Measurement Protocol or Segment HTTP API snippets for backend event collection, which avoids ad blockers.
- What is a dataLayer push and why use it with GTM?
- A dataLayer push sends event data to the browser's dataLayer array. Google Tag Manager listens for these and fires configured tags without requiring code deploys — useful when marketers manage tags independently.
- How is this different from just installing the GA4 script?
- The base GA4 script tracks pageviews only. Custom events (add_to_cart, sign_up, video_play) require explicit instrumentation. This builder generates the event code with correct parameter names and types.