Blog
Expert articles on tracking, analytics, server-side and GDPR compliance. By the chillmetrics consultants.
World Cup 2026: How to Prepare Your Ad Tracking for the Year's Biggest Event
Prepare your ad tracking for the 2026 World Cup. Audiences, real-time dashboards, promo codes, and alerts to maximize your ROAS during the tournament.
Media Agencies: How to Prove Real ROAS to Your Clients
Ad platforms overstate ROAS. Learn how to reconcile data from Meta, Google, and TikTok to present the true return on investment to your clients.
How to Audit Your Meta, TikTok and Google Ads Pixels in 30 Minutes
Step-by-step guide to audit your Meta, TikTok and Google Ads pixels in 30 minutes. Tools, checklist, and critical errors to fix immediately.
CNIL Fines 2025-2026: What They Mean for Your Tracking Setup
With EUR 487M in fines in 2025 — a 9x increase — the CNIL is cracking down hard. Learn what they look for and how to protect your tracking.
CRO Audit: 7 Quick Wins to Boost Your Conversion Rate Without a Redesign
Discover 7 CRO quick wins from real audits that deliver an average +34% conversion rate increase without a full site redesign. Actionable, data-backed steps.
DataLayer: The Complete Guide for E-commerce (Shopify, PrestaShop, WooCommerce)
Master the GA4 e-commerce dataLayer with GTM. Tagging plan, required events, and code examples for Shopify, PrestaShop, and WooCommerce.
E-commerce: How Many Conversions Are You Really Losing?
Between ad blockers, iOS ITP, ATT, and cookie consent refusals, 30-40% of e-commerce conversions are invisible. Calculate your real losses and learn how to recover them.
Enhanced Conversions Google Ads: Step-by-Step Setup with GTM
Set up Enhanced Conversions for Google Ads with GTM to recover +5-15% more attributed conversions. Step-by-step guide with code examples.
Hiring a Data Expert vs Outsourcing: The Real Cost/Value Comparison
Should you hire an in-house data expert or outsource? A detailed comparison of costs, timelines, expertise, and flexibility to make the right decision.
ITP, ATT, Third-Party Cookies: 2026 State of Play for Advertisers
ITP, ATT, third-party cookies: what is the real impact on your tracking in 2026? Complete overview and actionable solutions to minimize data loss.
Looker Studio vs Power BI: Which Tool for Your Analytics Dashboards?
Full comparison of Looker Studio vs Power BI: pricing, data sources, sharing, and use cases. Choose the right BI tool for your analytics dashboards.
Why 80% of Marketing Dashboards Are Useless (And How to Build Yours Right)
80% of marketing dashboards are useless: vanity metrics, stale data, no actions. Here's how to build a dashboard that actually drives decisions.
Meta CAPI vs Browser Pixel: Real Performance Comparison
Meta CAPI or browser pixel? A complete comparison with real performance data: conversion accuracy, CPA, Event Match Quality, and implementation options.
Multi-Touch Attribution in 2026: What Actually Works
Last-click is dead, but alternatives are complex. A practical overview of attribution models that work in 2026: DDA, MER, incrementality testing, MMM, and pragmatic approaches.
Training Your Team on GA4: What 80+ Professionals Taught Me
Lessons from training 80+ professionals on GA4. Common struggles, methods that work, and mistakes to avoid. Practical analytics training insights.
Universal Analytics to GA4 Migration: 2 Years Later, What Changed?
Two years after Universal Analytics shut down, what is the real verdict on GA4? What works, what is still painful, and the 5 critical migration mistakes to fix now.
Server-Side Tracking: The Complete Guide to Recovering Lost Conversions
Adblockers and iOS block 30-40% of your conversions. Server-side tracking via sGTM, Stape or Addingwell recovers them. Here's how to set it up.
5 GA4 Mistakes That Corrupt All Your Data
81% of GA4 configurations contain critical errors. Misnamed events, missing conversions, absent filters: here's how to fix them.
Consent Mode V2: What Changes and How to Implement It
Consent Mode V2 has been mandatory since March 2024 for Google Ads in Europe. Here's how to configure it correctly with GTM and your CMP.
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