diff --git a/.changelogs/fix_unload-event-in-tracking.yml b/.changelogs/fix_unload-event-in-tracking.yml
new file mode 100644
index 0000000000..d72007e8a2
--- /dev/null
+++ b/.changelogs/fix_unload-event-in-tracking.yml
@@ -0,0 +1,5 @@
+significance: patch
+type: fixed
+links:
+  - "#2620"
+entry: Fixes Pagespeed notice regarding deprecated Javascript event usage.
diff --git a/assets/js/app/llms-tracking.js b/assets/js/app/llms-tracking.js
index 9997e29cc1..cbf7f772e2 100644
--- a/assets/js/app/llms-tracking.js
+++ b/assets/js/app/llms-tracking.js
@@ -35,7 +35,7 @@ LLMS.Tracking = function( settings ) {
 		self.addEvent( 'page.load' );
 
 		window.addEventListener( 'beforeunload', onBeforeUnload );
-		window.addEventListener( 'unload', onUnload );
+		window.addEventListener( 'pagehide', onUnload );
 
 		document.addEventListener( 'visibilitychange', onVisibilityChange );