Quick Guide: dataLayer.push with examples

Updated: October 7th, 2025. This quick guide was born after getting multiple questions from Google Tag Manager beginners/intermediate users: when should I use dataLayer.push() and when Data Layer declaration (dataLayer = [{}])?  The reason why this question was raised at all is that Google Tag Manager’s official documentation used to be a bit misleading in some […]
Julius Fedorovicius
In Google Tag Manager Tips

Google Tag Manager Server-Side Tagging with Stape

If you’re looking to get more accurate data from your website, setting up server-side tagging with Google Tag Manager is a great place to start. In this article, we’ll walk you through configuring Google Tag Manager server-side tagging with Stape, focusing on sending Google Analytics tags through the server. We’ll also cover how this setup […]
Julius Fedorovicius
In Google Tag Manager Tips

How to Preserve Ad Click IDs with Server-side Tagging

With the announcement of iOS 26, Apple announced that it will be expanding Link Tracking Protection. For those who don’t know, Link Tracking Protection is by default enabled in Safari’s Private Browsing Mode. It’s responsible for removing various tracking parameters from the page URL (e.g., gclid), which makes it difficult to preserve ad click IDs. […]
Julius Fedorovicius
In Google Tag Manager Tips

Google Tag Manager Checklist – 75 Steps to Prepare a Website

Updated: August 21st, 2025 If you’re constantly working with Google Tag Manager, you’ve probably started noticing some repetitions, each project requires checking the same set of things/settings/data over and over again: Have you double-checked whether all required GA4 E-commerce data is in place? What about custom dimensions? The list could go on and on. After implementing GTM […]
Julius Fedorovicius
In Google Tag Manager Tips Resources

Facebook Conversion Tracking With Google Tag Manager

Updated: August 17th, 2025 If you already use Facebook as a marketing tool, you want to measure results. You have multiple options, including remarketing, Facebook conversion tracking, etc. Everything requires time to implement. Let’s say you email the developer; completing the task takes weeks. With the help of Google Tag Manager, you can speed up […]
Julius Fedorovicius
In Google Tag Manager Tips

The Ultimate Google Tag Manager Glossary (150+ terms)

To make your life a little easier, I’ve assembled a huge list of Google Tag Manager (GTM) terms to help you avoid confusion in the future. Whether you’re looking to understand the language of GTM or help train someone else, this Google Tag Manager glossary should be your best companion. It should not only make you smarter, […]
Julius Fedorovicius
In Google Tag Manager Tips Resources

dataLayer.push not working? Here are some reasons and solutions

The data layer is a key component within Google Tag Manager for collecting and managing website data. The dataLayer.push method is the standard way to send information into this layer, making it available for you or your developers to interact with it. However, is dataLayer.push not working on your end? This article will explore the […]
Julius Fedorovicius
In Google Tag Manager Tips

Microsoft Consent Mode. How to Configure it?

Updated: July 17th, 2025 This article was written by Rick Beijen, who was kind to share his tips with Analytics Mania’s readers If you are using Microsoft Ads (also known as Bing ads), you are now required to implement Microsoft Consent Mode. If you haven’t implemented Microsoft consent mode already and are in the required […]
Rick Beijen
In Google Tag Manager Tips