---
schema_version: "1"
id: e4512bd67ff0795099eb41f36929ab87f493c128c432de9688ee3227527de711
title: Can I Match Contacts Between Google Analytics and Marketing Cloud Engagement?
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_gai_faq17.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_gai_faq17.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 976537ce3fea2418710394b785723eaa022e33b0341fdfb459dbb7254cc6114b
description: Yes. To identify a customer in an audience by matching the Client ID stored on the client machine in the GA cookie and the SFMC ID, the user’s machine must initiate a session. You need both IDs to simulate a session and send a hit through the Google Analytics measurement protocol. To encourage engagement, you can send the customer a welcome email with a call-to-action link or button when they complete their online registration.
products:
  - Marketing
  - Marketing Cloud Intelligence
release: "264"
---
# Can I Match Contacts Between Google Analytics and Marketing Cloud Engagement?

Yes. To identify a customer in an audience by matching the Client ID stored on the client machine in the GA cookie and the SFMC ID, the user’s machine must initiate a session. You need both IDs to simulate a session and send a hit through the Google Analytics measurement protocol. To encourage engagement, you can send the customer a welcome email with a call-to-action link or button when they complete their online registration.