diff --git a/browserscripts/timings/loadEventEnd.js b/browserscripts/timings/loadEventEnd.js
new file mode 100644
index 0000000000..55d0d0a81a
--- /dev/null
+++ b/browserscripts/timings/loadEventEnd.js
@@ -0,0 +1,5 @@
+(function() {
+  return Number(
+    window.performance.getEntriesByType('navigation')[0].loadEventEnd.toFixed(0)
+  );
+})();