diff --git a/index.html b/index.html
index 6efcba0..a806a59 100644
--- a/index.html
+++ b/index.html
@@ -52,6 +52,16 @@
 		}	
 	}
     </style>
+   <script>
+     if ('serviceWorker' in navigator) {
+       navigator.serviceWorker.register('./service-worker.js')
+         .then(reg => console.log('Service Worker registered!', reg))
+         .catch(err => console.error('Service Worker registration failed:', err));
+     }
+   </script>
+ </body>
+ </html>
+   
 </head>
 <body>
 	<div class="container">
@@ -78,13 +88,13 @@
 				<a href="https://call.contingent.space" title="NEEDS">☎️</a>
 			</div>
 			<div>
-				<a href="https://test.contingent.space" >⏰</a>
+				<a href="https://draw.contingent.space" >⏰</a>
 			</div>
 			<div>
 				<a href="https://radio.contingent.space/live" class="internal-link" title="ROADMAP">📻</a>
 			</div>
 			<div>
-				<a href="https://contingent.space/roadmap.html" class="internal-link" title="ROADMAP">🗺️</a>
+				<a href="https://board.contingent.space" class="internal-link" title="ROADMAP">🗺️</a>
 			</div>
 				<div>
 					<a href="">🔄</a>
diff --git a/roadmap.html b/roadmap.html
index 5a838f2..19e6c13 100644
--- a/roadmap.html
+++ b/roadmap.html
@@ -37,6 +37,7 @@
 		<li>small pictures for booklet</li>
 		<li>entwurf board materialpark</li>
 		<li>jitsi</li>
+		<li>mollie</li>
 	</ul>
 </article>
 </body>
diff --git a/service-worker.js b/service-worker.js
new file mode 100644
index 0000000..f740d7f
--- /dev/null
+++ b/service-worker.js
@@ -0,0 +1,22 @@
+ const cacheName = 'minimal-pwa-v1';
+ const assets = [
+   './',
+   './index.html',
+   './manifest.json'
+ ];
+ 
+ self.addEventListener('install', (event) => {
+   event.waitUntil(
+     caches.open(cacheName).then((cache) => {
+       return cache.addAll(assets);
+     })
+   );
+ });
+ 
+ self.addEventListener('fetch', (event) => {
+   event.respondWith(
+     caches.match(event.request).then((response) => {
+       return response || fetch(event.request);
+     })
+   );
+ });
