Full Answer

The migration has three phases. First, install the WordPress-native server-side tracking solution alongside your existing GTM setup. Configure destination credentials — GA4 Measurement Protocol secret, Facebook CAPI access token, Google Ads conversion action ID, BigQuery project and dataset. Second, run both systems in parallel for 48–72 hours, comparing event counts and conversion values between GTM-delivered and server-delivered events. This parallel period catches any configuration gaps before you disable GTM.

Third, once parity is confirmed, disable the GTM web container tag and decommission the GTM server container. Cancel your Stape or Taggrs hosting subscription. The entire migration typically completes in one working day with the parallel verification period extending over the following two days.

The perceived difficulty comes from sunk cost. If your developer spent 60 hours configuring GTM server-side tags, variables, and triggers, decommissioning that work feels like waste. The reframe is that those 60 hours were spent solving a complexity problem that WordPress-native tracking does not create. You are not discarding the outcome — event delivery to all destinations — you are discarding the mechanism that required 60 hours to achieve it.

The one genuine consideration is non-ecommerce event tracking. If your GTM setup captures browser-side engagement events — scroll depth, video plays, outbound clicks — that your server-side solution does not replicate, you may want to retain a minimal GTM web container for those specific triggers while removing the server container entirely.