Who this is for: owners of OpenCart 2.3 / 3.0 and ocStore shops who used to paste gtag.js into header.tpl by hand and lost tracking on every theme update, or who suffered with the stock GA module that never fires purchase with proper ecommerce.items.
What OcBox AI Remarketing does: paste your Measurement ID (G-XXXXXXXXXX) on the Google Analytics tab, optionally add an API Secret for server-side Measurement Protocol delivery, save. The module injects gtag.js everywhere via its own OCMOD, builds every standard store event (view_item, view_item_list, add_to_cart, view_cart, begin_checkout, add_shipping_info, add_payment_info, purchase, search, sign_up) in exact GA4 shape with ecommerce.items, brand, shopper-currency price with sale + tax, correct list position. A test button confirms the wiring in one second, the event pops up in GA4 DebugView.
The advantage: one field instead of an hour of theme surgery. A theme upgrade does not break tracking — the integration is OCMOD-based, not a hardcoded template edit. Server-side Measurement Protocol delivery recovers the 30-40% of events that ad blockers eat on the client. A shared event_id merges the client and server hit in GA4 so nothing double-counts.
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