Insights from the
Data Layer.

Technical deep-dives, industry news, and release notes from the NiceLookingData team.

Top 10 GA4 Misconfigurations That Are Silently Ruining Your Data
GA4 Audit
Feb 28, 2025

Top 10 GA4 Misconfigurations That Are Silently Ruining Your Data

Most GA4 properties have at least 3 of these issues. Here's how to find and fix the misconfigurations that destroy your analytics data quality.

L
Ludde
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Why GA4 Thresholding Is Ruining Your Reports (And How to Fix It)
Analytics
Oct 24, 2024

Why GA4 Thresholding Is Ruining Your Reports (And How to Fix It)

Google Signals might be hiding your data. Here's how to disable it safely without losing demographic insights.

L
Ludde
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The Ultimate Guide to GTM Server-Side Tagging in 2025
Engineering
Nov 02, 2024

The Ultimate Guide to GTM Server-Side Tagging in 2025

Move your tracking logic to the edge. Reduce client-side bloat and improve cookie durability with a custom domain.

L
Ludde
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Stop Using Custom HTML Tags for Facebook Pixel
Best Practices
Nov 15, 2024

Stop Using Custom HTML Tags for Facebook Pixel

The native template is faster, safer, and supports CAPI out of the box. Stop manually injecting scripts.

L
Ludde
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How to Set Up GA4 BigQuery Export (Step-by-Step)
Analytics
Dec 01, 2024

How to Set Up GA4 BigQuery Export (Step-by-Step)

BigQuery export unlocks raw event-level data. This guide covers setup, costs, and the queries every analyst needs on day one.

L
Ludde
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GA4 Enhanced Measurement: What to Disable (and Why)
Best Practices
Dec 10, 2024

GA4 Enhanced Measurement: What to Disable (and Why)

Not all enhanced measurement events are helpful. Some create noise, duplicate data, or conflict with your GTM setup.

L
Ludde
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Google Consent Mode v2: What Marketers Need to Know in 2025
Privacy
Dec 20, 2024

Google Consent Mode v2: What Marketers Need to Know in 2025

Consent Mode v2 is now required for EU ad personalization. Here's how to implement it correctly with GTM.

L
Ludde
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GA4 Custom Dimensions: The Complete Guide for 2025
Analytics
Jan 05, 2025

GA4 Custom Dimensions: The Complete Guide for 2025

Event-scoped vs user-scoped, registration limits, and the four mistakes every analytics team makes with custom dimensions.

L
Ludde
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Data Layer Best Practices: Stop Pushing Messy Objects into GTM
Engineering
Jan 12, 2025

Data Layer Best Practices: Stop Pushing Messy Objects into GTM

Your dataLayer is the foundation of your measurement strategy. Here's how to structure it properly for reliability and scale.

L
Ludde
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GA4 Cross-Domain Tracking: Setup, Testing, and Common Pitfalls
Analytics
Jan 20, 2025

GA4 Cross-Domain Tracking: Setup, Testing, and Common Pitfalls

Self-referrals killing your attribution? Here's the definitive guide to cross-domain tracking in GA4.

L
Ludde
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GTM Naming Conventions That Actually Scale
Best Practices
Jan 28, 2025

GTM Naming Conventions That Actually Scale

Your container has 200 tags. Can you find the right one in 5 seconds? A naming system fixes that permanently.

L
Ludde
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The Complete GA4 Ecommerce Tracking Checklist
Analytics
Feb 03, 2025

The Complete GA4 Ecommerce Tracking Checklist

From view_item to purchase — every event, parameter, and validation step you need for accurate ecommerce reporting.

L
Ludde
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Why Your GA4 Audiences Aren't Populating (And How to Fix Them)
Analytics
Feb 08, 2025

Why Your GA4 Audiences Aren't Populating (And How to Fix Them)

Created a GA4 audience but it shows 0 users? Here are the 5 most common reasons and how to troubleshoot each one.

L
Ludde
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PII Leaks in GTM: How to Find and Fix Them Before Google Does
Privacy
Feb 12, 2025

PII Leaks in GTM: How to Find and Fix Them Before Google Does

Email addresses in your URLs? Phone numbers in event parameters? Here's how to detect and block PII from reaching Google.

L
Ludde
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Post UA→GA4 Migration Audit Checklist: 15 Things to Verify
Analytics
Feb 16, 2025

Post UA→GA4 Migration Audit Checklist: 15 Things to Verify

Migrated from Universal Analytics but haven't validated the setup? Use this checklist to catch the gaps.

L
Ludde
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GA4 Data Retention: Why You're Losing Historical Data (Default = 2 Months)
Analytics
Feb 18, 2025

GA4 Data Retention: Why You're Losing Historical Data (Default = 2 Months)

GA4's default data retention is only 2 months. Most teams don't know until they try to build exploratory reports on older data.

L
Ludde
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GTM Trigger Groups: Advanced Multi-Condition Tracking
Engineering
Feb 20, 2025

GTM Trigger Groups: Advanced Multi-Condition Tracking

Need a tag to fire only when two conditions are met simultaneously? Trigger groups are the underused GTM feature you need.

L
Ludde
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GA4 Attribution Models Explained: Which One Should You Use?
Analytics
Feb 22, 2025

GA4 Attribution Models Explained: Which One Should You Use?

Data-driven, last click, or first click? Here's when to use each GA4 attribution model and how they affect your reports.

L
Ludde
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How to Debug GA4 Events in Real-Time: 4 Methods That Work
Engineering
Feb 24, 2025

How to Debug GA4 Events in Real-Time: 4 Methods That Work

Events not showing up? Use these 4 debugging methods to pinpoint exactly where your GA4 tracking breaks.

L
Ludde
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How to Set Up Internal Traffic Filters in GA4 (Don't Skip This)
Best Practices
Feb 26, 2025

How to Set Up Internal Traffic Filters in GA4 (Don't Skip This)

Your team's traffic is inflating your metrics. Here's how to properly exclude internal traffic in GA4 — it's more steps than you think.

L
Ludde
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Linking Google Ads to GA4: The Complete Setup & Troubleshooting Guide
Analytics
Feb 28, 2025

Linking Google Ads to GA4: The Complete Setup & Troubleshooting Guide

Conversions not importing? Audiences not sharing? Here's how to properly link GA4 to Google Ads and fix common issues.

L
Ludde
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