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Installing Google Tag Manager: A Beginner’s Guide for Websites

Google Tag Manager is a powerful tool that simplifies website tag management and deployment. It explains what GTM is, how it works and outlines the key benefits. The guide then walks readers through the process of creating and implementing GTM code, including setting up accounts, installing code snippets, and configuring tags and triggers.

Home / Blogs / Installing Google Tag Manager: A Beginner’s Guide for Websites
Raghav Tayal
Raghav Tayal

Head Of Operations - Digital Web Solutions

February 13, 2025

Understanding Google Tag Manager

What Is Google Tag Manager?

Google Tag Manager, or GTM, is a type of marketing tag management and deployment. It makes your process easier. You can think of it as controlling many tracking codes and pixels from one central hub so that you don’t have to dig up your source code to alter it from the ground up.

How Does It Work?

GTM works on three-tiered systems:

Tags

You want to enact these particular tracking codes, such as Google Analytics, Facebook Pixel, or Google Ads conversion tracking. The tag has specific settings and parameters that determine what information it collects.

Triggers

Triggers define the conditions under which the tag should fire. For example, a page view trigger will fire every time a visitor visits a page on your website, while a click trigger fires when a visitor clicks on a specific button.

Variables

Variables are dynamic values that can be used in tags and triggers. Predefined variables, data layer variables, and user-defined variables can all be utilized in this respect. An example of using a variable is to grab the URL of a page or user email.

Integrating tags, triggers, and variables can be used to develop intricate tracking scenarios. For example, you can set up a tag that fires a Google Analytics event every time a user clicks on a certain button on a given page.

Benefits of Using Google Tag Manager for Your Website

Improved Website Performance

The greatest benefit of using Google Tag Manager is the massive enhancement it provides for the performance of your website. Management of numerous marketing tags minimizes the HTTP requests necessary for your website to load, thereby reducing loading time that positively impacts the user’s experience and also improves ranking on search engines.

This is the most critical difference. When you add tags directly into your website’s code, every tag needs an extra HTTP request. That can slow down page load times, especially on sites with a lot of tracking scripts. GTM loads one tag manager script and then loads individual tags only when needed. That’s a very efficient way of minimizing HTTP requests, making pages load faster, and creating a better user experience.

Enhanced Tracking Capabilities

Google Tag Manager has a wide variety of tracking capabilities, which help you track your website’s performance more deeply and the user’s behavior. You can trace different events with GTM, such as button clicks, form submissions, and page scrolls, which provide valuable information for optimizing marketing strategies.

It lets you create custom events and triggers toward tailoring your tracking on specific goals and objectives. For example, you can see who has filled out a particular form or spent how much time on a specific page. You get granular levels of tracking, so you’ll know what areas you need to improve and make data-driven decisions.

The second wonderful thing is that GTM makes it quite easy to implement complex tracking methods such as A/B testing and conversion tracking. This allows you to check variations of your website and gauge the effectiveness of your marketing strategies. With GTM’s extended tracking capabilities, you’re better positioned to have a competitive advantage and deliver results.

How to Create and Implement GTM Code on Your Website

While the basic steps for creating a Google Tag Manager code are straightforward, understanding the nuances behind each step can ensure a smooth implementation. Here’s a deeper dive into the process:

Create a Google Tag Manager Account

If you haven’t already, sign up for a free Google account. This is the foundation for accessing various Google products, including GTM. Once you have a Google account, head over to https://tagmanager.google.com/. There, you’ll be prompted to create a new account. This involves providing a name for your account and accepting the terms of service.

Install the Google Tag Manager Code Snippet

After creating your container, Google Tag Manager will present you with two crucial code snippets:

Container Code: This snippet, containing your container ID, needs to be placed within the <head> section of your website’s HTML code. The <head> section sits at the beginning of your website’s code and manages elements like page titles and meta descriptions. Inserting the container code here ensures that GTM loads its resources before any other tracking scripts on your website.

Tag Manager Script: This script goes at the very bottom of your website’s code, just before the closing </body> tag. This placement allows the Tag Manager script to fire after the page content has loaded and ensures GTM can interact with your website’s elements.

Create a Tag

Think of a tag as a tiny instruction manual for GTM. It tells the platform what specific tracking code or action you want to implement (e.g., sending data to Google Analytics or firing a Facebook Pixel). Here’s how to make a tag:

  • Access the Tags Section: In your GTM container, navigate to the “Tags” section. Click the “New” button to create a new tag.
  • Choose Your Weapon (Tag Type): A list will then appear with the possible types of tags. Just select the one that serves your tracking purpose. The three popular ones are Google Analytics, Facebook Pixel, and custom HTML tags.
  • Set up the Tag Settings: Each tag type requires its own settings to be filled in. For instance, Google Analytics requires a tracking ID, while Facebook Pixel could demand a pixel ID and event parameters.

Create a Trigger

Tags define the action, but triggers determine when that action should happen. Think of them as the “if” statements in your tracking code. Triggers only fire when certain conditions are met. Here’s how to build a trigger:

  • Access the Triggers Section: Go to the “Triggers” section in your GTM container. Click the “New” button to create a new trigger.
  • Choose Your Trigger Type: GTM offers a variety of trigger types, such as “Page View” (fires when a page loads), “Click – All Elements” (fires when any element is clicked), or “Form Submission” (fires when a form is submitted).
  • Configure Trigger Conditions (Optional): Depending on the kind of trigger you’re building, you might need additional conditions for the trigger to fire. For example, with a “Click – All Elements” trigger, you could build in criteria for it to fire, such as specific buttons carrying a particular class name.

Associate the Tag with the Trigger

Now comes the magic! Connect the dots between your tag and your trigger. This defines when and how your tag will fire. Head back to your newly created tag and find the “Triggering” section. There, you can select the triggers that should activate the tag.

Preview and Debug

Test your setup before deploying your changes. GTM comes with a strong “Preview and Debug” mode. With it, you get a view of how your tags and triggers fire in real time while navigating your website. It’s then possible to spot errors or inconsistencies before they can actually affect your real data.

Publish the Container

Once you ensure that all your tags and triggers are working perfectly, it is time to publish your GTM container. This makes your recently created tracking setup live for your website. To do this, go to the top right side of your GTM interface and then click on the “Publish” button. A versioning system lets you create or choose a new version as you update the changes.

Installing Google Tag Manager on Popular Platforms

WordPress: Step-by-Step Guide

Installing GTM on your WordPress website is quite a straightforward process because dedicated plugins have been developed for it. In fact, one of the most popular ones out there is Duracelltomi’s Google Tag Manager.

Go to your WordPress dashboard and click on the “Plugins” section. Find “Google Tag Manager,” select the Duracelltomi plugin, and then click on “Install Now.” Activate the plugin after installation. The next thing is that you will be required to enter your GTM container ID. After saving the settings, the plugin will automatically add the code snippets to your website’s header and footer.

Shopify: Adding GTM to Your Online Store

To apply GTM on Shopify, the most basic way is to open up the theme code itself and do the modifications. Start by logging in to the Shopify admin panel. Now move to the “Online Store” section and tap “Themes.” From there, select which theme you want to change, then click on the “Edit code” button

Locate the <head> section of your theme’s “theme.liquid” file. The head section is usually associated with meta tags, stylesheets, and other head-related elements. Insert the container code from GTM here, right below the <head> opening tag. Save the changes in your theme.

Squarespace: Easy Integration Tips

Squarespace offers the option to implement custom code more limitedly. To add the GTM code snippet, navigate to the “Design” section of your Squarespace website and click “Custom CSS.” In the CSS editor, paste the container code inside a <script> tag. Ensure that the script tag is at the end of the CSS code so there won’t be any conflict.

Wix: Setting Up GTM for Your Website

A space in the Wix interface is provided where one can add custom code blocks. Thus, a user can add the GTM code by accessing settings from his/her Wix website. Select “Advanced Settings.” Locate “Add a Site Code.” Then, select it and provide the GTM container code in the given text box. Save the changes.

After setting up GTM, always check your website to ensure the firing of the tags. To prove the configuration, you may opt for Google Tag Assistant or Preview and Debug mode in GTM.

Testing Your Google Tag Manager Installation

Using the Preview and Debug Mode

One of the most impressive, robust built-in features in Google Tag Manager is Preview and Debug. Using this mode you will get live views of when tags fire as you scroll on your site, among many other things. Access can be obtained through a “Preview” button available in the far upper-right part of your GTM container.

Once you have Preview mode turned on, you will notice a small GTM tag icon in your browser’s address bar. When you click on it, it opens the Debugger, and from there, you can see all the details of the tags firing, including variables, triggers, and errors. Preview and Debug mode will help you quickly identify any issues with your tag implementation.

Checking Tags with Chrome Developer Tools

It includes a Chrome Developer Toolset, which allows users to access the Network tab; it can be used to inspect HTTP requests. So, by viewing the Network tab, you should confirm that your GTM tags are sending data to the right servers.

To use the Network tab, open Chrome Developer Tools by pressing F12 or right-clicking on a page and selecting “Inspect.” Navigate to the Network tab and reload your website. You should see a list of HTTP requests, including those made by GTM. Look for requests to Google Analytics, Facebook Pixel, or other tracking services to confirm that your tags are firing correctly.

Verifying Setup with Google Tag Assistant

Google Tag Assistant is a browser extension that helps you analyze your website’s tags and identify potential issues. This will help you easily check whether your GTM tags are firing correctly and if they are sending the right data.

Once you have installed the extension, you go to your website and click on the Tag Assistant icon in your browser’s toolbar. The extension will scan your website and provide you with a report on all the issues it has detected, including missing tags, incorrectly configured triggers, or errors in your tag definitions.

These testing methods, used in combination with each other, ensure that your GTM implementation will be accurate and reliable. Test periodically so that the tracking and analytics set up on your website stays valid.

Integrating Google Tag Manager with Key Tools

Set Up Google Analytics Tracking

To integrate Google Analytics with GTM, you’ll need to create a new tag and trigger in your GTM container.

Create a Google Analytics Tag

  • In your GTM container, click on “Tags” and then “New.”
  • Select “Google Analytics: Universal Analytics” as the tag type.
  • Configure the tag settings:
    • Track Type: Select “Pageview” or “Universal Analytics Variable.”
    • Track Type: Select “Pageview” or “Universal Analytics Variable.”
    • Google Analytics Settings Variable: Select the appropriate variable (create one if needed).
  • Save the tag.

Create a Google Analytics Trigger

  • Click on “Triggers” and then “New.”
  • Choose “Page View – All Pages” as the trigger type.
  • Save the trigger.

Connect the Tag and Trigger

  • Go back to the tag you created.
  • Under the “Triggering” section, select the “Page View – All Pages” trigger.
  • Save the tag.

Once you’ve saved the tag and trigger, publish your changes in GTM. This will send data from your website to your Google Analytics account, allowing you to track page views, user sessions, and other valuable metrics.

Set Up Event Tracking

Event tracking is essential for understanding user behavior and measuring the effectiveness of specific actions on your website. Here’s how to set up event tracking in GTM:

Create an Event Tag

  • In your GTM container, create a new tag.
  • Select “Google Analytics: Universal Analytics” as the tag type.
  • Configure the tag settings:
    • Track Type: Select “Universal Analytics Variable.”
    • Track Type: Select “Event.”
    • Category, Action, Label, and Value: Define the event parameters, such as “Button Click,” “Form Submission,” or “Product View.”

Create an Event Trigger

  • Create a new trigger.
  • Select “Click – Just Links” or “Custom Event” as the trigger type.
  • Configure the trigger to fire based on specific conditions, such as clicking a button with a particular class or ID.

Connect the Tag and Trigger

  • Associate the event tag with the appropriate event trigger.

By setting up event tracking, you can gain insights into user interactions with your website, such as button clicks, form submissions, and product views. This data can help you optimize your website’s design and content to improve user experience and drive conversions.

Setting Up Facebook Pixel with Google Tag Manager

Add Facebook Pixel

Create a Facebook Pixel

  • Log in to your Facebook Ads Manager.
  • Go to Events Manager and create a new pixel.
  • Follow the instructions to install the pixel code on your website. However, with GTM, you’ll use a different approach.

Create a Facebook Pixel Tag in GTM

  • In your GTM container, click New under Tags.
  • Choose Facebook Pixel as the tag type.
  • Copy and paste your Facebook Pixel ID into the Pixel ID field.
  • Configure the Event Name field to match the Facebook event you want to track, such as Page View, Purchase, or Add to Cart.
  • Save the tag.

Make a Facebook Pixel Trigger

  • Click New under Triggers.
  • Select the trigger type of your choice depending on what you want to track in the event. For example:
    • Page View: Choose Page View – All Pages.
    • Button Click: Select Click-Only Links and set the trigger to fire based on some elements.
    • Form Submission: Select Custom Event and set event name and parameters.
  • Save the trigger.

Associate the Tag and Trigger

  • Return to your Facebook Pixel tag.
  • In the section called Triggering, click the trigger you just set up.
  • Save the tag.

Deploy Your Updates

  • Deploy your GTM container to make Facebook Pixel tracking live.

Add Google Ads Remarketing

Generate a Google Ads Conversion Tracking Tag in GTM

  • Click on New under Tags in your GTM container.
  • Choose the tag type as Google Ads Conversion Tracking.
  • Paste the Conversion ID from Google Ads in the Conversion ID field.
  • Configure the Conversion Label field based on the conversion action to be tracked, like purchase or sign-up.
  • Save the tag.

Google Ads Conversion Tracking Trigger

  • Now, follow the same steps for creating a Facebook Pixel trigger and choose the appropriate type of trigger depending on the conversion action you wish to track.

Connect the Tag and Trigger

  • Connect the Google Ads Conversion Tracking tag to the appropriate trigger.

Publish Your Changes

  • Publish your GTM container to activate Google Ads remarketing.

Conclusion

You can properly track user behavior, maximize your advertising campaigns, and generally advance your marketing strategy by combining Facebook Pixel and Google Ads Remarketing with Google Tag Manager. GTM makes this very simple by allowing you to manage and deploy these tracking tools without having to alter any code on your website directly.

Always test your GTM setup regularly to ensure that your tags and triggers are firing correctly. Preview and Debug mode in GTM will be useful for checking the implementation.

Use the power of GTM to get insights into how your website is performing and make data-driven decisions to achieve marketing goals.

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