The WeltPixel Blog

Server-side tracking, e-commerce analytics, and development insights for Magento and Shopify — from the team behind 25+ premium extensions.

The WeltPixel Blog

Server-side tracking, e-commerce analytics, and development insights for Magento and Shopify — from the team behind 25+ premium extensions.

How Ad Blockers Affect Shopify Conversion Tracking (and What Server-Side Fixes)

May 27, 2026

Quick AnswerAd blockers on desktop suppress requests to tracking domains like googletagmanager.com, connect.facebook.net, and analytics.tiktok.com, silently dropping conversion events your ad platforms never receive. Server-side tracking recovers the highest-value events... Read more...

ROAS Accuracy on Shopify: Why Your Ad Platforms and Shopify Disagree

May 27, 2026

Quick AnswerROAS (Return on Ad Spend) is calculated as revenue attributed to ads divided by ad spend. The problem is that every ad platform calculates "revenue attributed to ads" differently... Read more...

GA4 BigQuery Export for Shopify Merchants: When Raw Data Beats Dashboards

May 27, 2026

Quick AnswerThe GA4 BigQuery export streams every event your GA4 property collects into a BigQuery dataset, one table per day, one row per event. It gives you raw, unsampled access... Read more...

GA4 (not set) on Shopify: What It Means and Why Some Orders Stay Unattributed

May 27, 2026

Quick Answer"(not set)" appears in GA4 when Google does not have data for a dimension at the time the event fired. On Shopify, this most often shows up on purchase... Read more...

GA4 Measurement Protocol on Shopify: What It Is and Why Apps Use It

May 26, 2026

Quick AnswerThe GA4 Measurement Protocol is a server-to-server HTTP API that sends events directly to GA4 without browser JavaScript. It is how tracking apps forward purchase events from Shopify's order... Read more...

GA4 Data Retention on Shopify: Why You Lose Data After 14 Months

May 26, 2026

Quick AnswerGA4's maximum data retention period is 14 months, and the default is 2 months. This only affects Exploration reports (funnels, path analysis, custom segments). Standard reports like Traffic Acquisition... Read more...

GA4 DebugView on Shopify: How to Verify Your Events Are Actually Firing

May 26, 2026

Quick AnswerGA4 DebugView shows individual events in real time as they arrive from a single device. On Shopify, the standard GA4 Debugger Chrome extension does not work because the tracking... Read more...

GA4 Attribution Models on Shopify: Data-Driven vs Last Click Explained

May 26, 2026

Quick AnswerGA4 defaults to data-driven attribution, which uses Google's machine learning model to distribute conversion credit across multiple touchpoints based on observed patterns. Last-click gives 100% credit to the final... Read more...

Shopify Analytics vs GA4: Why Your Revenue Numbers Never Match

May 26, 2026

Quick AnswerShopify and GA4 will never show exactly the same revenue because they measure different things at different times. Shopify counts orders at payment capture. GA4 counts sessions where a... Read more...

Twitter / X Conversion API on Shopify 2026: What Works, What Doesn't

May 25, 2026

Quick AnswerShopify has no native X (formerly Twitter) sales channel. Browser-side X Pixel installs via Shopify's Custom Pixels editor [3]. Server-side X Conversion API requires a GTM server container or... Read more...

Microsoft Ads / Bing UET Tracking on Shopify 2026: What Works, What Doesn't

May 25, 2026

Quick AnswerShopify has no native Microsoft Ads sales channel. Browser-side UET (Universal Event Tracking) is installed via Shopify's Custom Pixels editor [3]. Server-side Microsoft Ads Conversions API requires a GTM... Read more...

Pixel Audit on Shopify: How to Check If Your Conversion Tracking Is Actually Working

May 25, 2026

Quick AnswerA Shopify pixel audit is a systematic check of whether your browser pixels, server-side CAPI events, and consent gating are firing as expected across GA4, Meta, TikTok, and Google... Read more...