Update app.js

app.js

@@ -13,7 +13,7 @@ app.get('/', (req, res) => {
     const userAgent = req.headers['user-agent'];
     
     // Increment hit only if not from fetch
-    if (!userAgent || userAgent.toLowerCase().includes('fetch')) {
+    if (!userAgent || userAgent?.toLowerCase().includes('fetch')) {
         hitCount++;
     }
 
@@ -21,7 +21,7 @@ app.get('/', (req, res) => {
         message: 'Welcome to the hit counter!',
         hits: hitCount,
         userAgent: userAgent,
-        counted: !userAgent?.toLowerCase().includes('fetch')
+        counted: userAgent?.toLowerCase().includes('fetch')
     });
 });