diff --git a/components/analytics.tsx b/components/analytics.tsx
index b8a3cf7..7ece931 100644
--- a/components/analytics.tsx
+++ b/components/analytics.tsx
@@ -8,9 +8,17 @@ export function Analytics() {
     return null;
   }
 
+  let hostUrl: string | undefined;
+  try {
+    hostUrl = new URL(scriptUrl).origin;
+  } catch {
+    hostUrl = undefined;
+  }
+
   return (
     <Script
       async
+      data-host-url={hostUrl}
       data-website-id={websiteId}
       defer
       src={scriptUrl}