diff --git a/index.php b/index.php
index 488cdae..eef8269 100755
--- a/index.php
+++ b/index.php
@@ -398,6 +398,17 @@ $german_weekdays = [
             });
         });
     });
-</script>
 
+    if ('serviceWorker' in navigator) {
+        window.addEventListener('load', function() {
+            navigator.serviceWorker.register('/sw.js')
+                .then(function(registration) {
+                    console.log('DoMiLi Service Worker registriert');
+                })
+                .catch(function(err) {
+                    console.log('Service Worker Registrierung fehlgeschlagen:', err);
+                });
+        });
+    }
+</script>
 <?php include('inc/footer.php'); ?>
\ No newline at end of file