Google Analytics - Should You Use Same Property on Website and Shopify

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Topic summary

A marketing team wants to track the complete user journey across two domains: a main website where users browse products, and a separate Shopify store domain where checkout occurs.

Current Challenge:

  • Products displayed on the main site sync from Shopify
  • Users click to purchase and are redirected to a different domain for checkout
  • Marketing wants seamless visibility of the entire flow without later data merging complications

Recommended Solution:
Use a single Google Analytics 4 (GA4) property for both the main website and Shopify store. This approach enables:

  • Unified tracking of the complete user journey from initial visit through purchase
  • Elimination of cross-domain data merging issues
  • Seamless flow visibility in GA4 reports

This is considered the best practice for tracking users across multiple domains in a single conversion funnel.

Summarized with AI on November 9. AI used: claude-sonnet-4-5-20250929.
1

Marketing wants to see a user from start to finish in the sales flow. The user will go on our site (main website-not store) > find a product > click to buy (the products on the site sync from shopify) > they then are taken to our shopify store check out (different domain than website) > purchase. Marketing doesn’t want to fuss around with merging data later on - they want to see the entire flow in GA.

So should we use one property with both the website and our shopify store or what would be recommend/best practice here? Thanks for any help.

2

Hi @ebrenes

Yes, you should use one Google Analytics 4 (GA4) property for both your main website and your Shopify store. This is the recommended best practice to ensure seamless tracking of the entire user journey from start to finish.