Safe UTM Characters Guide: What You Can and Cannot Use
Comprehensive reference guide for safe characters in UTM parameters. Learn exactly which characters work, which break tracking, and best practices for bulletproof campaign URLs.
Troubleshooting guides, platform-specific fixes, and UTM tracking best practices.
Comprehensive reference guide for safe characters in UTM parameters. Learn exactly which characters work, which break tracking, and best practices for bulletproof campaign URLs.
GA4 has strict but undocumented rules for utm_source values. Use the wrong format and attribution breaks. Here's the complete rulebook.
Your UTMs work everywhere except after anchor links. The hash symbol is silently killing your campaign tracking. Here's the 2-minute fix.
Social sharing widgets and cross-platform posting create referrer-UTM conflicts that muddy attribution data
GA4 requires both utm_source AND utm_medium for attribution. Here's the complete breakdown of required vs optional UTM parameters.
When URLs contain gclid + fbclid + msclkid together, GA4 tracking breaks completely. Learn why this happens and how to diagnose the issue.
Plus sign in UTM parameters sometimes shows as space, sometimes as +. Learn why browsers handle + inconsistently and how to fix it.
Import LinkedIn, TikTok, and other ad platform costs into GA4 to calculate ROAS. Full walkthrough with CSV templates.
Understand how malformed percent encoding (%2G, %ZZ) breaks UTM tracking. Learn to identify invalid encoding patterns and fix these critical URL errors.
Track which search keywords drive conversions with utm_term. Complete guide with setup, analysis, and optimization.
Forgot the ? before UTM parameters? GA4 sees them as part of the URL path, not tracking data. Here's the instant fix.
Stop users from sharing URLs with tracking parameters and prevent attribution pollution across social platforms.
Complete technical comparison of Google Ads auto-tagging (gclid) vs manual UTM parameters. One is clearly superior.
Comprehensive technical guide to internal linking, UTM parameters, GA4 attribution, and proper implementation for developers and marketers.
Complete reference for abbreviating UTM parameters. Learn standard abbreviations, shortening techniques, and how to maintain clarity while staying under 100 characters.
Understand why URLs accumulate multiple click IDs through social sharing and how it systematically breaks your GA4 attribution.
Facebook traffic showing as referral with no campaign data? GA4 cannot read fbclid. Here's why UTM parameters are required.
Step-by-step process to identify and fix paid campaigns running without auto-tagging or UTM parameters
Technical comparison of Google's gbraid and gclid parameters.
Pinterest's epik parameter doesn't classify traffic as paid in GA4. UTMs are required for proper attribution.