# Google Customer Match

Google Customer Match (GCM) is a powerful tool for activating custom audiences based on CRM data (emails, telephone numbers, postal addresses). To get the most out of it, data quality and operational monitoring are essential. Here are some best practices to follow.

{% content-ref url="google-customer-match/1.-data-quality-the-foundation-of-success" %}
[1.-data-quality-the-foundation-of-success](https://community.commandersact.com/customer-success/expand-your-uses/audience-and-activation/google-customer-match/1.-data-quality-the-foundation-of-success)
{% endcontent-ref %}

{% content-ref url="google-customer-match/2.-optimise-the-matching-rate" %}
[2.-optimise-the-matching-rate](https://community.commandersact.com/customer-success/expand-your-uses/audience-and-activation/google-customer-match/2.-optimise-the-matching-rate)
{% endcontent-ref %}

{% content-ref url="google-customer-match/3.-monitoring-and-maintenance-ensuring-the-reliability-of-the-system" %}
[3.-monitoring-and-maintenance-ensuring-the-reliability-of-the-system](https://community.commandersact.com/customer-success/expand-your-uses/audience-and-activation/google-customer-match/3.-monitoring-and-maintenance-ensuring-the-reliability-of-the-system)
{% endcontent-ref %}

{% content-ref url="google-customer-match/4.-technical-issues-to-anticipate-and-common-errors" %}
[4.-technical-issues-to-anticipate-and-common-errors](https://community.commandersact.com/customer-success/expand-your-uses/audience-and-activation/google-customer-match/4.-technical-issues-to-anticipate-and-common-errors)
{% endcontent-ref %}

{% content-ref url="google-customer-match/5.-strategic-recommendations-and-next-steps" %}
[5.-strategic-recommendations-and-next-steps](https://community.commandersact.com/customer-success/expand-your-uses/audience-and-activation/google-customer-match/5.-strategic-recommendations-and-next-steps)
{% endcontent-ref %}