Understanding the difference between Google Tag Manager and Google Analytics, the pros and cons of both, why you might choose one over the other, and why you should care anyway.
Google Tag Manager (GTM) and Google Analytics (GA) are both Google tools that can help you track and optimize your website performance. However, they are not the same thing and they serve different purposes.
Google Analytics is an analytics tool that helps you measure and analyze how users interact with your website and app. It can show you things like:
Google Analytics works by using a tracking code (also known as a GA Javascript code snippet) that you need to place on every page of your website. This code collects and sends data to Google Analytics servers whenever a user visits or performs an action on your website.
Google Tag Manager is a tag management system that makes it easy for you to add, edit, and manage tags (tracking codes) on your website without having to modify the source code. Tags are snippets of code that can collect and send data from your website to various marketing or analytics tools, such as Google Analytics, Google Ads, Facebook Pixel, etc.
Google Tag Manager works by using a container code (also known as a GTM Javascript code snippet) that you need to place on every page of your website. This code acts as a placeholder for all the tags that you want to use on your website. You can then use the GTM interface to create and manage your tags without touching the source code.
The main difference between Google Analytics and Google Tag Manager is that Google Analytics is an analytics tool that provides reports, while Google Tag Manager is a tag management system that has no reporting features. It only sends data from your website to other marketing or analytics tools (including GA).
The main benefit of using Google Tag Manager is that it gives you more control and flexibility over your tags. You can:
The main drawback of using Google Tag Manager is that it has a learning curve and requires some technical knowledge. You need to:
The main benefit of using Google Analytics is that it gives you insights and reports on your website performance. You can:
The main drawback of using Google Analytics is that it has limitations and challenges with data accuracy. You may encounter:
You might choose one over the other depending on your needs and goals. For example:
You should care about both tools because they can help you improve your website performance and optimize your marketing campaigns. By using Google Tag Manager, you can implement various tracking codes on your website more easily and efficiently. By using Google Analytics, you can analyze the data collected by those tracking codes more effectively and intelligently.