> ## Documentation Index > Fetch the complete documentation index at: https://docs.firmhouse.com/llms.txt > Use this file to discover all available pages before exploring further. # Add analytics and tracking scripts > Add Google Analytics, Google Tag Manager, pixels, and other tracking scripts to the Customer Portal, Self Service Center, and Firmhouse Checkout. Tracking scripts help you measure visits, checkout progress, purchases, campaign performance, and customer portal usage. In Firmhouse, where you add them depends on which customer-facing area you want to track. You can add Google Analytics, Google Tag Manager, Google pixels, advertising pixels, support widgets, or other trusted third-party scripts to customer-facing Firmhouse pages. Most merchants use a tag manager, such as Google Tag Manager, so tracking tags can be managed in one place without updating the Firmhouse project settings every time a marketing or analytics tag changes. ## Where you can add tracking scripts Firmhouse supports tracking scripts in different customer-facing areas: * **Customer Portal**: Add scripts directly in your Customer Portal page templates. * **Self Service Center (legacy)**: Add scripts through the legacy Self Service Center custom code fields. * **Firmhouse Checkout**: Add scripts to checkout pages, payment pages, payment status pages, and order confirmation pages. Add the script to every area where you need tracking. For example, a checkout conversion pixel or Google Analytics checkout event belongs on Firmhouse Checkout, while a support widget for existing customers may belong in the Customer Portal or the legacy Self Service Center. ## Before you start Only add scripts that you trust and actively maintain. Custom code can affect page loading, customer privacy, and checkout conversion. **Please note:** Header and Body custom code fields are only available for Firmhouse projects that have a custom domain configured. This applies to the legacy Self Service Center and Firmhouse Checkout custom code setup. Customer Portal tracking is template-based instead. ## Customer Portal templates and custom code fields Customer Portal and the legacy Self Service Center do not use the same setup: * **Customer Portal** uses page templates. * **Self Service Center (legacy)** and **Firmhouse Checkout** use **Header** and **Body** custom code fields. ## Add scripts to the Customer Portal Use these steps when your project uses the new Customer Portal and you want tracking code to run on Customer Portal pages. If you do not see **Customer Portal** in the sidebar yet, first enable **Customer Portal v2** in **New Features**. Then use the **Overview** page in the new Customer Portal settings to test with **Preview mode** or enable the new portal for all customers. See [Customer Portal quickstart](/customer-portal-v2/quickstart). ### Steps 1. In your Firmhouse project, open **Customer Portal > Templates**. 2. Open the page template where the script should run, such as `dashboard.liquid` or another relevant template. 3. Add the tracking snippet directly in the template using `