20 Google Tag Manager Interview Questions and Answers

Google Tag Manager (GTM) is a free tool that helps make website tagging simpler for marketing and web development teams. As a marketer, you can use GTM to deploy and manage tags on your website or mobile app without having to edit code. If you are interviewing for a position that involves website tagging, it is likely that the interviewer will ask you questions about GTM. In this article, we review the most common GTM interview questions and how you can answer them.

Google Tag Manager Interview Questions and Answers

Here are 20 commonly asked Google Tag Manager interview questions and answers to prepare you for your interview:

1. What is Google Tag Manager?

Google Tag Manager is a free tool that allows you to manage and deploy marketing tags (such as tracking pixels, site analytics, and remarketing tags) on your website or mobile app without having to edit your code. It also provides you with a unified interface to track and analyze the data from all of your tags in one place.

2. How does Google Tag Manager work?

Google Tag Manager is a free tool that allows you to manage and deploy marketing tags (such as tracking pixels, site analytics, and remarketing tags) on your website or mobile app without having to edit your code. Once you’ve installed the Google Tag Manager code snippet on your site, you can use the Tag Manager interface to add and update your tags.

3. Can you explain what the difference between a tag and a trigger is?

A tag is a piece of code that is used to collect data about a website visitor, while a trigger is a set of conditions that determine when a tag should be fired.

4. What’s the difference between Google Analytics and Google Tag Manager?

Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, while Google Tag Manager is a tool that allows you to manage and deploy marketing tags (such as analytics and remarketing tags) on your website or mobile app without having to edit your code.

5. Can you give me some examples of real-world use cases for Google Tag Manager?

Google Tag Manager can be used for a wide variety of tasks, including but not limited to:

-Tracking website traffic
-Generating leads
-Retargeting ads
-Measuring the effectiveness of marketing campaigns
-And much more!

6. Why do we need to use JavaScript with Google Tag Manager?

JavaScript is used with Google Tag Manager in order to trigger tags and send information to Google Analytics. JavaScript is also used to load the Google Tag Manager container onto a page.

7. Can you explain how to set up Google Tag Manager on a website?

Google Tag Manager is a free tool that allows you to manage and deploy marketing tags (such as tracking pixels, analytics code, and more) on your website or mobile app without having to edit your code. To set up GTM on your site, you’ll first need to create a GTM account and container. Then, you’ll add the GTM container snippet to your site’s code. Finally, you’ll create and publish your tags.

8. In which places can we add GTM code in our web page?

The Google Tag Manager code can be added to your web page in one of two places: either in the section or just before the tag.

9. Is it possible to integrate other third party tags into Google Tag Manager? If yes, then how?

Yes, it is possible to integrate other third party tags into Google Tag Manager. This can be done by creating a new tag in Google Tag Manager and selecting the “Custom HTML” tag type. From there, you can paste in the code for the third party tag that you wish to integrate.

10. Can you explain what data layers are and why they’re used?

Data layers are used to store information that can be used by Google Tag Manager to track events and user interactions. They are used to provide a central location for all of the data that needs to be tracked, so that it can be easily accessed by the various tags that are used to track that data.

11. What are microsites?

Microsites are small websites that are typically used for specific campaigns or products. They are usually hosted on a subdomain or a separate domain from the main website, and they usually have their own unique design and branding. Microsites can be used to target a specific audience or to promote a specific product or service.

12. What are event listeners in context with Google Tag Manager?

Event listeners are a key part of Google Tag Manager. They allow you to trigger tags based on specific events that occur on your website or app. For example, you could use an event listener to trigger a tag when a user clicks on a specific button or link. Event listeners can be used to track all sorts of interactions, and they are a powerful tool for collecting data about your users.

13. What does the “gtm.js” script do?

The “gtm.js” script is responsible for loading the Google Tag Manager container into a webpage. This script will typically be placed in the of a webpage, and will asynchronously load the container code into the page. The container code is then responsible for loading any tags that have been configured to fire on that page.

14. What is a custom macro?

A custom macro is a user-defined function that can be used within Google Tag Manager to perform custom tasks. These functions can be used to do things like dynamically generate tags or modify tag configurations.

15. What are variables in Google Tag Manager?

Variables in Google Tag Manager are used to store information that can be used later in tags and triggers. This information can be anything from simple strings or numbers, to more complex objects such as lists or maps. Variables can be used to make your tags and triggers more flexible and dynamic, and can be used to avoid hard-coding values into your tags.

16. What is the purpose of using trigger groups in Google Tag Manager?

The purpose of using trigger groups in Google Tag Manager is to help organize your triggers and make sure that they are firing correctly. By putting triggers into groups, you can more easily test and debug them, as well as ensure that they are all firing at the correct times.

17. What are the different types of built-in triggers available in Google Tag Manager?

The different types of built-in triggers available in Google Tag Manager are:

-Page View: Triggers when a page is loaded or refreshed.
-Click: Triggers when a user clicks on a specific element on a page.
-Form Submission: Triggers when a user submits a form.
-Timer: Triggers after a specified amount of time has elapsed.
-JavaScript Error: Triggers when a JavaScript error is detected on a page.

18. What are the various forms of errors that could occur when working with Google Tag Manager?

The various forms of errors that could occur when working with Google Tag Manager include:

– Incorrect container code installation
– Incorrect tag configuration
– Incorrect trigger configuration
– Incorrect variable configuration

These errors can lead to incorrect or incomplete data being collected, which can in turn lead to incorrect analysis and decision-making.

19. What is a container?

A container is a piece of code that allows you to manage your website tags all in one place. The container code is placed on every page of your website, and then you can use the Google Tag Manager interface to add and update tags without having to edit your website code. This makes it much easier to manage your website tags, and can help you avoid potential errors that can occur when editing website code.

20. What happens if a custom HTML tag is misconfigured or not configured correctly?

If a custom HTML tag is misconfigured or not configured correctly, it can cause problems with the tracking of your website’s analytics. This can lead to inaccurate data being collected, which can in turn lead to incorrect conclusions being drawn about your website’s traffic and performance.