GA4 UTM Tracking Troubleshooting Guide: Root Causes, Debugging & Solutions
Diagnose and fix broken UTM tracking in Google Analytics 4. Comprehensive root cause analysis for Unassigned traffic, Direct spikes, (not set), and stripped query strings.
Supporting Cluster Guides
Why UTMs Don't Appear in GA4: 9 Causes and Step-by-Step Fixes
UTM parameters missing in Google Analytics 4? Diagnose the 9 most common reasons campaign data fails to appear in GA4 reports and fix them immediately.
Why Campaign Traffic Shows as Direct in GA4 (and How to Fix It)
Why is your paid traffic showing as Direct in GA4? Learn the 7 primary causes of false direct traffic, redirect parameter loss, and how to recover attribution.
How to Fix "Unassigned" Traffic in GA4: Complete Diagnosis Guide
Why does GA4 show Unassigned traffic? Discover the exact channel grouping regex rules, common medium mistakes, and how to fix Unassigned traffic permanently.
How to Fix (not set) Campaign and Source Data in GA4 Reports
Why do you see (not set) for campaigns, sources, or landing pages in GA4? Learn the technical causes behind (not set) and how to resolve missing attribution.
Why HTTP Redirects Strip UTM Parameters (and How to Preserve Query Strings)
Learn why HTTP 301 and 302 redirects drop UTM parameters, converting paid campaigns into Direct traffic, and how to configure servers to preserve query strings.
How to Test and QA UTM Parameters in GA4 DebugView and Realtime
Learn how to test and verify UTM tracking in Google Analytics 4 before spending ad budget. Step-by-step guide using DebugView, Realtime, and DevTools.