diff --git a/index.html b/index.html
index 9cb4c87..5ee4018 100644
--- a/index.html
+++ b/index.html
@@ -16,9 +16,17 @@
       (function(){
         try {
           if (window.polliLib) {
-            // Use a stable referrer for API tiering; avoid hardcoding endpoints elsewhere
-            window.polliLib.configure({ referrer: 'unityailab.com' });
-            window.polliClient = new window.polliLib.PolliClientWeb({ referrer: 'unityailab.com' });
+            // Derive base referrer from attribute or window location (no path segments)
+            const cur = document.currentScript;
+            const attrRef = cur && cur.getAttribute('data-referrer');
+            let base = window.location.origin;
+            if (attrRef) {
+              // Support values missing protocol by resolving against window.location.origin
+              try { base = new URL(attrRef, window.location.origin).origin; } catch {}
+            }
+            const referrer = base.endsWith('/') ? base : base + '/';
+            window.polliLib.configure({ referrer });
+            window.polliClient = window.polliLib.getDefaultClient();
 
             // Provide basic helpers used by image features
             if (!window.randomSeed) {