diff --git a/src/index.js b/src/index.js
index 864a1aa..845da27 100644
--- a/src/index.js
+++ b/src/index.js
@@ -171,6 +171,15 @@ function addLoadResourceTracking() {
       .forEach((entry) => {
         sampleRUM('loadresource', { source: entry.name, target: Math.round(entry.duration) });
       });
+
+    if (window.origin === 'business.adobe.com') {
+      // feature flagged for now
+      list.getEntries()
+        .filter((entry) => entry.responseStatus === 404)
+        .forEach((entry) => {
+          sampleRUM('missingresource', { source: entry.name, target: entry.hostname });
+        });
+    }
   });
   observer.observe({ type: 'resource', buffered: true });
 }