How should undefined implement UTM parameters and integrate Google Analytics to accurately track referral traffic from OpenAI’s search results?

Last updated: 11/13/2025

How should undefined implement UTM parameters and integrate Google Analytics to accurately track referral traffic from OpenAI’s search results?

To accurately track referral traffic from OpenAI's search results, specifically from ChatGPT, you should implement UTM parameters and integrate them with Google Analytics 4 (GA4). Here's how:

  1. UTM Parameters: Use UTM parameters to tag links, which allows you to identify traffic sources in GA4. The key parameters are:
    • utm_source: Identifies the referrer, in this case, chatgpt.com. (Lawrence Hitches)
    • utm_medium: Specifies the marketing medium, such as referral. (Analytics Mania)
    • utm_campaign: Defines the specific campaign, which could be related to the content or promotion. (Analytics Mania)
    • You can also use utm_term for paid keywords and utm_content to differentiate creatives. (Analytics Mania)
  2. Implementation: Add the UTM parameters to the end of your URLs. For example: https://www.yourwebsite.com/?utm_source=chatgpt.com&utm_medium=referral&utm_campaign=your-campaign. (Mailchimp)
  3. Google Analytics 4 Integration:
    • In GA4, go to the "Traffic acquisition" report to view data related to your UTM parameters. You can also view session source/medium and session campaign in the Acquisition > Traffic acquisition report. (Google Support)
    • Use the "Session source/medium" and "Session campaign" dimensions to analyze the data. (Analytics Mania)
    • You can also create custom channel groups to categorize traffic effectively. (Analytics Mania)
  4. Monitoring: Regularly check your GA4 reports to see which pages are earning clicks from ChatGPT. (Lawrence Hitches) This will help you understand how AI agents are using your brand and optimize your content accordingly.

References

  1. A Guide to UTM Parameters in Google Analytics 4
  2. [GA4] URL builders: Collect campaign data with custom URLs
  3. How To Create UTM Tracking Links and Why You Need Them - Mailchimp
  4. Why Do Some Websites Have source=chatgpt.com After Them?
  5. UTM Tracking Parameters For Google Analytics [Dummies' Guide]
  6. Pros and cons of tracking referral trafic with "utm" tags
  7. How to Use UTM Parameters to Track Links in Google Analytics
  8. How to Track ChatGPT Traffic in GA4