> ## Documentation Index > Fetch the complete documentation index at: https://algolia.com/llms.txt > Use this file to discover all available pages before exploring further. # Deploy Radar > Add Radar to your ecommerce site directly or with Google Tag Manager. You need to add [Radar](/doc/value-engineering/radar) to your ecommerce site as part of the [Value Engineering service](/doc/value-engineering). Algolia will send you a Radar script configured for your site. ## Before you begin * Confirm that Algolia has sent you the Radar script for your site. * Add the script only to the agreed website, language, and currency. * Avoid changing your website's HTML during the data collection period, because changes can affect the quality of the event data. ## Add the script directly to your site Add the Radar script directly to pages on your live site. Add it to the``tag on every page in your shopping journey, including: * Search pages. * Search results pages. * Product detail pages. * Checkout pages. If your site uses a [Content Security Policy (CSP),](https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CSP) add these endpoints to the allowlist: * `https://cdn-us.algoliaradar.com` or `https://cdn-eu.algoliaradar.com`: loads the Radar script. * `https://insights.algolia.io/1/searches`: receives search events. * `https://insights.algolia.io/1/events`: receives click, shopping cart, and conversion events. ## Install with Google Tag Manager 1. Open [Google Tag Manager](https://tagmanager.google.com/). 2. Select the container for the website where you want to add Radar. 3. On the **Overview** page, select **New Tag**. 4. Select **Triggering**. 5. Select **All Pages**. 6. Select **Tag Configuration**. 7. Select **Custom HTML**. 8. In the **HTML** field, paste the Radar script that Algolia sent you. 9. Name the tag. For example, enter `Algolia Radar`. 10. Select **Save**. 11. Submit and publish the container.