Google Tag Manager

GA4 Migration Made Easy with Google Tag Manager: Step-by-Step Tutorial

Learn how to smoothly migrate from GA3 to GA4 using Google Tag Manager with this comprehensive step-by-step tutorial. Discover the importance of Google Tag Manager and the consequences of not connecting GA4. Ensure a seamless transition while safeguarding your historical data with Analytics Safe.

Aug 15, 2023

GA4 Migration Made Easy with Google Tag Manager: Step-by-Step Tutorial
GA4 Migration Made Easy with Google Tag Manager: Step-by-Step Tutorial


In the rapidly evolving landscape of data analytics, the transition from Google Analytics 3 (GA3) to Google Analytics 4 (GA4) has become inevitable. However, this shift presents unique challenges for businesses that heavily rely on GA3 data for their strategic decision-making. To ease this critical industry gap, Analytics Safe offers a tailored solution that blends GA3 and GA4 data into a consolidated dashboard, allowing businesses to continue their data-driven journey seamlessly. In this blog, we'll walk you through a step-by-step tutorial on how to migrate to GA4 using Google Tag Manager, emphasizing the importance of this migration and the crucial role of Analytics Safe in safeguarding your GA3 data.

Understanding the Need for GA4 Migration 

With Google's decision to discontinue GA3 and the incompatibility between GA3 and GA4 data structures, businesses are faced with a pressing need to migrate their analytics setup. GA4 offers advanced features and capabilities, including cross-device tracking, machine learning insights, and more robust event tracking, empowering businesses to gain deeper insights into user behavior and make informed decisions.

Benefits of Google Tag Manager 

Google Tag Manager (GTM) plays a vital role in the migration process by simplifying and centralizing the management of tracking codes and tags. Key benefits of GTM include:

  • Easy implementation of tracking codes without the need for website code modifications.

  • Seamless integration with various analytics tools and third-party tags.

  • Faster deployment of changes, reducing reliance on web developers.

  • Enhanced tracking accuracy and flexibility for a comprehensive view of user interactions.

Step-by-Step GA4 Migration Using Google Tag Manager 

Step-by-Step GA4 Migration Using Google Tag Manager 

Follow these steps to migrate from GA3 to GA4 using Google Tag Manager:

Step 1: Set Up a New GA4 Property 

Create a new GA4 property within your Google Analytics account. This property will be used to collect data under the GA4 data structure.

Step 2: Install GA4 Tracking Code via GTM 

Within Google Tag Manager, set up a new tag to implement the GA4 tracking code. Configure the tag to fire on all pages of your website to ensure comprehensive data collection.

Step 3: Enable Data Collection in GA4 

After implementing the GA4 tracking code through GTM, enable data collection in your GA4 property to start gathering valuable insights.

Step 4: Configure Custom Event Tracking 

Utilize GTM to configure custom event tracking in GA4, capturing specific user interactions and behaviors on your website.

The Consequences of Not Connecting GA4 and Google Tag Manager 

The Consequences of Not Connecting GA4 and Google Tag Manager 

Failing to connect GA4 with Google Tag Manager can have serious consequences, including:

Loss of valuable data: 

Without a seamless migration, you risk losing historical data and disrupting your analytics insights.

Incomplete tracking: 

Manual implementation of GA4 tracking codes can lead to tracking discrepancies and incomplete data.

Navigating GA3 Sunset with Analytics Safe 

Analytics Safe's unique offering addresses the challenges of GA3 sunsetting by blending GA3 and GA4 data into a single, consolidated dashboard. By seamlessly integrating GA4 with Google Tag Manager, businesses can retain their historical data and continue their data-driven decision-making without interruptions.


The migration from GA3 to GA4 using Google Tag Manager is a crucial step for businesses seeking to stay competitive in the data analytics landscape. By following our step-by-step tutorial, you can ensure a smooth transition and leverage the benefits of GA4's advanced features. Moreover, Analytics Safe's tailored solution safeguards your GA3 data, allowing you to continue making informed decisions and maximizing the potential of your analytics setup. Embrace this opportunity to evolve with the changing industry and elevate your data analytics game with Analytics Safe.w