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Google Tag Manager notes

Tag Manager is how measurement actually ships. Unification, dataLayer, server-side and consent without wrecking INP.

• Tag Manager

  Google tag and Tag Manager unification in 2026

  gtm init, container optimisation and one interface for Google tag plus GTM. What to review before you opt in.

  20 August 2026

• Tag Manager

  GTM visual tagging vs dataLayer events

  Point-and-click purchase tags cover simple buttons. Ecommerce still needs a dataLayer your theme owns.

  13 August 2026

• Tag Manager

  GTM container optimization and tag latency

  Opt in to optimized containers, drop extra gtag.js fetches, and keep GTM off the critical path until interaction.

  6 August 2026

• Tag Manager

  Server-side GTM for ecommerce stores

  sGTM on a first-party subdomain: ad blockers, consent, Facebook CAPI and the Cloud Run bill you should expect.

  30 July 2026

• Tag Manager

  GTM Consent Mode for Australian storefronts

  Australia is not the EEA, but EU visitors still hit AU stores. Default consent, Privacy Act caution and GTM.

  23 July 2026