Making an Informed Decision: Tealium vs. GTM – Key Factors to Consider
Google Tag Manager
- 14 Dec, 2023
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In the data-driven world of digital marketing, understanding your audience and their behavior is crucial for success. GTM is true power lies beyond its user-friendly interface. By leveraging custom JavaScript variable in GTM, this opens doors to a new level of data collection, tailored to your specific needs.
Unlocking insights beyond pre-built tags, custom JavaScript variable in GTM empowers you to capture nuanced user interactions, track unique events, and personalize the user journey like never before.
Key Takeaways
- What is Custom JavaScript Variable in GTM?
- Why Custom JavaScript Variable in GTM is Needed?
- Implementation Guide: Custom JavaScript Variable in GTM
What is Custom JavaScript Variable in GTM?
Custom JavaScript Variables, often abbreviated as CJS Variables, are a feature in Google Tag Manager (GTM) that allows you to create variables based on dynamic JavaScript code. Custom JavaScript variables in GTM let you manipulate data, extract specific information, and even combine information from different sources. This empowers you to track and analyze aspects of your website that wouldn’t be possible with pre-built variables alone.
Why Custom JavaScript Variable in GTM is Needed?
Custom JavaScript Variables (CJS Variables) in GTM is needed for several key reasons:
1. Go beyond pre-built limitations: Custom JavaScript Variables in GTM empower you to create custom logic and interact with specific elements or services on your website that built-in variables can’t reach.
2. Data manipulation and transformation: Custom JavaScript Variable in GTM shine when you need to process and transform existing data points before sending them to analytics platforms. This could involve:
- Extracting specific information from complex data structures.
- Formatting data in a specific way for desired analysis.
3. Conditional tag firing based on dynamic conditions: Custom JavaScript Variable in GTM enable you to write custom logic to control when specific tags fire.
- User behavior: Fire a tag only when a user clicks a specific button or scrolls past a certain point on the page.
- Page elements: Fire a tag only on specific product pages or when a particular form is submitted.
- Data layer values: Trigger a tag based on specific values present in the data layer, offering granular control over tag firing.
Implementation: Custom JavaScript Variable in GTM
You have a website with buttons or navigation menus. You want to track clicks on these elements, but you want the clicked text to be consistently lowercase in your analytics reports (regardless of how it’s displayed on the page).
Step 1: Navigate to the Variable section and create New.
Step 2: Select the custom JavaScript variable.
Step 3: For getting the lowercase letters in the each event category, do the JavaScript code. Here, you don’t need to write the <script> tag.
Step 4: Now, use this custom javascript variable into your Event Tag.
Step 5: Configure the trigger. Here, we are using the Link Element trigger.
Step 6: Save the trigger and tags with descriptive name and preview the GTM.
Conclusion
In conclusion, custom JavaScript implementations in Google Tag Manager provide powerful capabilities for enhancing data collection and advanced event tracking. With these advanced features, marketers can gain deeper insights into user behavior and optimize their marketing strategies accordingly. Start using the CJS variable for minimal use of built-in tags and triggers.
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