diff --git a/scripts/scripts.js b/scripts/scripts.js
index abfeebd..5f86cfe 100644
--- a/scripts/scripts.js
+++ b/scripts/scripts.js
@@ -195,4 +195,10 @@ export const LIBS = setLibs(window.location);
   if (document.querySelector('.faas')) {
     loadStyle('/styles/faas.css');
   }
+  const observer = new PerformanceObserver((list) => {
+    list.getEntries().forEach((entry) => {
+      if (entry.responseStatus === 404) window.lana?.log(`The resource ${entry.name} returned a 404 status.`, { tags: 'errorType=error,module=resource-404' });
+    });
+  });
+  observer.observe({ type: 'resource', buffered: true });
 }());