Cherry Seed

Why are my events duplicating?

duplicate events tracking events duplicating double counting conversions fix duplicate tracking

Quick Answer

Events duplicate when multiple tracking implementations fire simultaneously: WordPress plugin + manual GTM tag, both client-side pixel AND server-side CAPI sending same event, or dev/staging tracking code left in production. Duplication inflates metrics 2-3x. Server-side tracking with single implementation point eliminates this problem.

Full Answer

Your dashboard shows 2,000 purchases but WooCommerce only processed 1,000 orders. Events are duplicating somewhere in your tracking stack. This happens when multiple systems send the same event to the same platform without deduplication logic. Common scenario: WooCommerce plugin sends purchase event to Facebook CAPI. GTM also sends purchase event via Facebook Pixel. Facebook receives two events for one purchase. Your metrics inflate 2x overnight. Common Duplication Sources Plugin + Manual Implementation: WordPress tracking plugin installed AND manual GTM tags configured. Both fire on same event. Client-Side + Server-Side: Facebook Pixel (browser) AND Facebook CAPI (server) both enabled without proper deduplication IDs. Multiple GTM Containers: Production GTM container plus staging container both fire on production site. Dev Code in Production: Developer testing code never removed. Sends events to production property. Theme + Plugin: Theme includes hardcoded GA4, plus GA4 plugin also installed. How to Identify Duplicates Check event counts vs...

Sources

Programmatic Access

GET https://seresa.io/wp-json/cherry-tree-by-seresa/v1/seeds/97

Cite This Answer

Cherry Tree by Seresa - https://seresa.io/seed/common-tracking-problems/duplicate-events