diff --git a/preview/talk.html b/preview/talk.html
index 3a0c539..b4f7007 100644
--- a/preview/talk.html
+++ b/preview/talk.html
@@ -1,9 +1,5 @@
-Hello
-
 <script>
-	if (
-		'serviceWorker' in navigator
-	) {
+	if ('serviceWorker' in navigator) {
 		// Delay registration until after the page has loaded, to ensure that our
 		// precaching requests don't degrade the first visit experience.
 		// See https://developers.google.com/web/fundamentals/instant-and-offline/service-worker/registration
@@ -11,17 +7,20 @@ Hello
 			navigator.serviceWorker
 				.register('service-worker.js')
 				.then(function (reg) {
-					// updatefound is fired if service-worker.js changes.
+					// Check for updates
 					reg.onupdatefound = function () {
-						// The updatefound event implies that reg.installing is set; see
-						// https://w3c.github.io/ServiceWorker/#service-worker-registration-updatefound-event
-						var installingWorker = reg.installing;
+						const installingWorker = reg.installing;
 
 						installingWorker.onstatechange = function () {
 							/* eslint-disable default-case */
 							switch (installingWorker.state) {
 								case 'installed':
-									console.log('New or updated content is available.', navigator.serviceWorker.controller);
+									if (navigator.serviceWorker.controller) {
+										// New content is available, refresh the page
+										window.location.reload();
+									} else {
+										console.log('Content is now available offline!');
+									}
 									break;
 
 								case 'redundant':
@@ -38,20 +37,16 @@ Hello
 				});
 		});
 	}
-
 </script>
 
-
 <script>
-	console.log('controller', navigator.serviceWorker.controller)
-	window.addEventListener('message', (e) => {
-		console.log(88, e.data);
+	window.addEventListener('message', e => {
+		// console.log(88, e.data);
 		if (navigator.serviceWorker.controller) {
 			navigator.serviceWorker.controller.postMessage(e.data);
 		} else {
-			alert('Ooops, seems like your preview is denying updation. How about we slap a quick refresh on him?');
-			location.reload();
+			console.warn('Service worker not ready, reloading...');
+			window.location.reload();
 		}
 	});
-
 </script>