> ## Documentation Index > Fetch the complete documentation index at: https://docs.upstackdata.com/llms.txt > Use this file to discover all available pages before exploring further. # How to Set up Upstack Data on a Landing Page or Subdomain > Install the Upstack Data Pixel on a landing page or subdomain by adding the script with your Pixel ID into the page's head — enabling tracking and attribution for non-Shopify domains. *** # **Quick Summary** * **Copy your Pixel ID** from the [Upstack dashboard](https://app.upstackdata.com). * **Insert the Pixel ID** into the script below. * Place the script **inside the `` section** of your webpage. * **Publish** or **update** your landing page. * **Verify** your installation. *** # **Prerequisites** * An [Upstack Data](https://app.upstackdata.com) account with the Upstack Data app installed on your Shopify store. * Your Upstack Pixel ID (UUID format: `XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX`, e.g., `58284d43-85f6-41fb-b2e0-f32f8ecb4e9b`). See [How to find my Upstack Data Pixel ID](/resources/how-to-find-my-upstack-data-pixel-id). * Edit access to the landing page or subdomain (admin access in the page builder, CMS, or static host). * Ability to add code to the `` section (Custom Code / Header Code area in your tool). *** # **Configuration Steps** ## **Step 1: Find and copy your Upstack Pixel ID** Your **Upstack Pixel ID** is a unique identifier linked to your Shopify store. This ID is used to track browser events and associate them with your account. For step-by-step instructions on locating your Upstack Pixel ID, see: [How to find my Upstack Data Pixel ID?](/resources/how-to-find-my-upstack-data-pixel-id) *** ## **Step 2: Insert your Pixel ID into the script** * Open the Upstack Pixel script provided below. * Replace the placeholder Pixel ID with your own ID. ### Upstack Pixel Snippet ```html theme={null} ``` **Important:** * **Replace `XXXX-XXXX-XXXXX-XXXX` with the Pixel ID** you obtained in Step 1 (UUID format: `XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX`). * Enter the Pixel ID exactly as provided — extra whitespace or quotation mismatches will break tracking. *** ## **Step 3: Add the script to your landing page** * Open the landing page editor or HTML settings of your third-party tool. * Locate the **Custom Code** or **Header Code** section. * Paste the complete script into the `` section of the page. *** ## **Step 4: Publish or update your landing page** * Save and republish the page so the script goes live. *** ## **Step 5: Verify the installation** * Visit your landing page in a browser. * Use the [Upstack Data Pixel Helper](/guides/shopify/how-to-install-upstack-data-pixel-helper) to confirm the pixel is firing correctly with your Pixel ID. * In the [Upstack dashboard](https://app.upstackdata.com) under **Event Health**, confirm `PageView` events from the new landing page arrive within a few minutes. *** **Need help?** If you encounter any issues during setup, contact our support team and we'll help diagnose the problem.