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GA4 and enhanced conversions Google Ads Tracking setup guide

Updated
Sep 27, 2024
Published
Jul 4, 2024

Accurate conversion tracking is crucial for optimizing campaigns and maximizing ROI in digital marketing. Google Analytics and Google Ads now offer enhanced conversions tracking, delivering deeper insights and more precise data on user behavior and conversions. 

In this article, we dive deep into the enhanced conversions setup process, including best practices, tips, and the latest updates from Google.

Introduction to enhanced conversions

Imagine a tool that can significantly enhance the accuracy of your conversion measurement and unlock more effective bidding strategies. That's exactly what enhanced conversions in Google Ads do. By supplementing your existing conversion tags with hashed first-party customer data, enhanced conversions provide a more complete and precise picture of your marketing performance.

Various reliable methods, including the Google tag, Google Tag Manager, or Google Ads API, can be used to set up enhanced conversions. By leveraging these trusted tools, you can ensure that your conversion tracking is as accurate and comprehensive as possible, leading to better-informed decisions and higher ROI. You can trust the reliability of these methods to guide your marketing strategies.

Unlike traditional tracking methods, which may miss conversions due to browser restrictions or privacy settings, enhanced conversions use first-party data and privacy-safe methods to capture every interaction. Enhanced conversions for web capture first-party customer data such as emails and phone numbers, which are then hashed and sent to Google to track conversions more effectively. This leads to a more complete and accurate picture of your marketing performance.

Enhanced conversions work by securely hashing user data, such as email addresses or phone numbers, which are then matched with Google’s data to track conversions more effectively.

The key benefits of enhanced conversions include improved measurement accuracy, better attribution, and more effective marketing campaign optimization. By capturing more conversion data, you can better understand which channels and strategies drive results, leading to more informed decision-making and higher ROI.

Use cases of enhanced conversions

Note: You can always use this type of conversion if your local regulations allow it and the customer has given consent.

 Let’s discuss how enhanced conversions can be applied to different types of campaigns, such as lead generation, e-commerce, and hotel campaigns:

  • Lead generation. Enhanced conversions can track form submissions more accurately, ensuring that all potential customer interactions are captured, even if users have opted out of third-party cookies.
  • E-commerce campaigns. You can track purchases by linking online and offline data, giving a complete view of the customer journey from initial visit to final sale.
  • Hotel campaigns. Benefit by accurately capturing booking data, allowing you to see which channels drive the most reservations and optimize your strategies accordingly.

Implement enhanced conversions to improve the accuracy of conversion tracking in different campaign types by leveraging first-party customer data through the Google Ads API.

How to set up enhanced conversions in Google Analytics 4

1. Open your GA4 property and on the left click on “Admin”. Go to “Data Streams”.

2. Choose your web data stream and scroll down to “Google tag”. Then click on “Configure tag settings”.

3. Scroll down to “Allow user-provided data capabilities.”

How to set up enhanced conversions in Google Analytics 4

4. Toggle on the “Automatically detect user-provided data”. 

(Recommendation). Always be mindful of privacy laws and regulations like GDPR or CCPA. Make sure you have consent from users to collect and use their data, especially for Enhanced Conversions.

(Recommendation for linking GA4 with Google Ads). Link your GA4 property with your Google Ads account to leverage Enhanced Conversion data in your ad campaigns.

5. Select your preferred method for setting up user-provided data collection in Tag Manager:

  • Automatic collection: Google Analytics scans your web pages for email address patterns, excluding phone numbers and addresses. To enhance this feature, we recommend supplementing it with the following options. Learn more here: Google Analytics Support.
  • Manual configuration: choose the types of user-provided data you want to collect, like email addresses or phone numbers. For each data type, specify how you want to identify it on the page—either using a CSS selector or a global JavaScript variable. This method offers more precision than automatic detection but is less reliable than adding a code snippet to your website. If you frequently update your website's code, especially the formatting or CSS selectors on the collection page, consider adding a code snippet for better reliability. Learn more about this option here.
  • Code: insert JavaScript code into your web pages to collect email addresses, phone numbers, names, and addresses. Afterward, configure the user_data parameter for each event on the page. Learn more about this option here.

For detailed guidance and information, you can refer to the full article on the Google Analytics Help page.

For detailed guidance and information, refer to the full article on the Google Analytics Help page here.

A few updates of July 2024:

  • Enhanced Data Collection in GA4: set up user-provided data and leverage features like Enhanced Conversions in GA4, first-party data demo & interests reporting, and future GA4-powered customer lists in Google Ads. This setup won't affect your user or event-level
  • Enhanced Conversions for Leads via sGTM: now available through server-side Google Tag Manager (sGTM), Enhanced Conversions for Leads helps you measure offline interactions, such as purchases or closed leads, without relying solely on fragile identifiers like GCLIDs, which browsers increasingly strip out. Setting up EC for Leads via sGTM gives you more control over user data sent to Google and reduces the code running on your website pages.
  • Enhanced Conversions for Hotel Campaigns: enhanced conversions now support reporting for Hotel Campaigns, filling gaps caused by the absence of third-party cookies or browser limitations. Previously, Hotel Campaigns and EC were not integrated. EC bidding support for Hotel Campaigns will be introduced later this year.

How to set up enhanced conversions in Google Ads

1. Enable Enhanced Conversions in Google Ads.

Log in to your Google Ads account, navigate to Tools & Settings → Conversions → check Turn on enhanced conversions.

2. Configure User-Provided Data variable in web GTM and add it to GA4 tag settings

In web GTM, create a Data Layer Variable to capture user data (such as email, phone number, and address). Then, create a User-Provided Data Variable and associate it with the captured data​.

How to set up enhanced conversions in Google Analytics 4
How to set up enhanced conversions in Google Analytics 4

Configure the User-Provided Data variable in web GTM and add it to GA4 tag settings. Select an Image.

3. Set Up Conversion Tracking Tag.

 In the GTM server container, create a new Google Ads Conversion Tracking tag, and trigger it based on the desired conversion events​. Tag will automatically parse user data form GA4 requests. 

And that’s it! No additional changes or modifications were made to the Google Ads Conversion Tracking setup.

Verifying and optimizing enhanced conversions

Once you have set up enhanced conversions, you must verify that they work correctly. You can do this by checking the conversion data in your Google Ads account. Look for increased conversion accuracy and a more complete picture of your customers’ journeys. This enhanced data allows you to refine your bidding strategies and ad targeting, leading to more effective campaigns.

To optimize your enhanced conversions, use the data to identify areas for improvement in your conversion tracking. Adjust your setup as needed to ensure that you are capturing the most accurate and comprehensive data possible. Continuous monitoring and optimization are key to maintaining the effectiveness of your enhanced conversions.

Best practices for enhanced conversions

Implementing enhanced conversions requires careful attention to best practices to ensure accuracy and compliance. Here are some essential guidelines to follow:

  • Follow Google’s Customer Data Policies. Always adhere to Google’s terms of service and policies regarding customer data.
  • Obtain user consent. Ensure that users consent to your collecting and using their data, especially for enhanced conversions.
  • Use secure hashing algorithms. Protect user data using a secure one-way hashing algorithm like SHA256.
  • Test your setup well. Use tools like GTM’s preview mode to test your setup and ensure that data is sent correctly.
  • Optimize bidding strategies and ad targeting. Use the improved conversion data to improve your bidding strategies and ad targeting for better results.
  • Monitor and optimize. Regularly review and optimize your enhanced conversions setup to maintain maximum accuracy and effectiveness.

By following these best practices, you can ensure that your enhanced conversions are set up correctly and provide the most accurate and valuable data for your marketing efforts.

Common questions about enhanced conversion tracking

1. How to check if enhanced conversion is being fired correctly on server-side? Because on the client-side, it’s necessary to check for the em parameter.

You may check the event data tab in the server container preview - you should see your user data there. It will be parsed by the Google tags automatically. You may also check an outgoing hit that is sent from the sGTM and you should see user data there as well, but you should expect it to be hashed already.

2. Will an enhanced conversion error appear for “Add to Cart” conversions in Google Ads when new users add items to their cart without logging in?

Yes, there will be an error if you do not send any user data with this event. So if you want to have as clean dashboard as possible - enable enhanced conversions only for events where you always have user data, like purchase, lead etc.

3. Is sharing user data directly in the Data Layer GDPR compliant? Doesn't it need to be hashed?

User data is hashed when sent to Google. Data Layer is an on-site object and is not subject to regulations directly.

Conclusion

Enhanced conversion tracking in Google Analytics and Google Ads represents a significant advancement in digital marketing. By offering more precise data and insights, this feature can help you optimize your campaigns and achieve higher ROI. 

The ability to accurately track and measure conversions will be crucial for staying competitive and making informed marketing decisions. 

We’ve provided an overview of enhanced conversions, explored various use cases across different campaign types, and offered step-by-step guides for setting up enhanced conversions in both Google Analytics 4 and Google Ads. We hope you find this article helpful. If you need any help, don’t hesitate to contact us

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