diff --git a/service-worker.js b/service-worker.js
index 9194b43..198820c 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -1,70 +1,84 @@
-const CACHE_VERSION = 7; // Güncel cache versiyonu
+const CACHE_VERSION = 15; // Güncel cache versiyonu
 const CACHE_NAME = `my-cache-v${CACHE_VERSION}`; // Önbellek adı
 const URLS_TO_CACHE = [
-    '/', '/index.html', '/home_en.html', '/home_tr.html', '/404.html',
-    '/FONTS/Inconsolata.woff2', '/FONTS/Jaro.woff2', '/FONTS/Monomakh.woff2',
-    '/FONTS/Montserrat.woff2', '/FONTS/TacOne.woff2', '/FONTS/Teko.woff2',
-    '/JAVASCRIPT/1.js', '/JAVASCRIPT/tr/1.js', '/JAVASCRIPT/darkmode-js.min.js',
-    '/JAVASCRIPT/gsap.min.js', '/JAVASCRIPT/swiper-bundle.min.js',
-    '/service-worker.js', '/img/profile_photo1.webp', '/img/character1.webp',
-    '/img/character2.webp', '/img/character3.webp', '/img/ai.webp',
-    '/img/app.webp', '/img/cyber.webp', '/img/game.webp', '/img/robotic.webp',
-    '/img/web.webp', '/img/up.webp', '/img/icon.ico', '/sitemap.xml',
-    '/manifest.json', '/robots.txt', '/.htaccess.txt'
+    '/',
+  '/index.html',
+  '/home_en.html',
+  '/home_tr.html',
+  '/404.html',
+  '/CSS/unpkg.comswiper@8swiper-bundle.min.css',
+  '/FONTS/Inconsolata.woff2',
+  '/FONTS/Jaro.woff2',
+  '/FONTS/Monomakh.woff2',
+  '/FONTS/Montserrat.woff2',
+  '/FONTS/TacOne.woff2',
+  '/FONTS/Teko.woff2',
+  '/JAVASCRIPT/1.js',
+  '/JAVASCRIPT/tr/1.js',
+  '/JAVASCRIPT/darkmode-js.min.js',
+  '/JAVASCRIPT/gsap.min.js',
+  '/JAVASCRIPT/swiper-bundle.min.js',
+  '/service-worker.js',
+  '/img/profile_photo1.webp',
+  '/img/character1.webp',
+  '/img/character2.webp',
+  '/img/character3.webp',
+  '/img/ai.webp',
+  '/img/app.webp',
+  '/img/cyber.webp',
+  '/img/game.webp',
+  '/img/robotic.webp',
+  '/img/web.webp',
+  '/img/up.webp',
+  '/img/icon.ico',
+  '/sitemap.xml',
+  '/manifest.json',
+  '/robots.txt',
+  '/.htaccess.txt'
 ];
 
-// 📌 **localStorage'dan eski versiyonu al**
-const oldCacheVersion = localStorage.getItem('cache_version') || 0;
-
-// 🔄 **Service Worker yüklenirken internetten yeni cache’i al**
+// 🚀 **Service Worker yüklenirken yeni cache’i oluştur**
 self.addEventListener('install', (event) => {
+    console.log(`🔄 Service Worker yükleniyor: v${CACHE_VERSION}`);
     event.waitUntil(
-        caches.open(CACHE_NAME).then(async (cache) => {
-            console.log(`🔄 Yeni cache yükleniyor: v${CACHE_VERSION}`);
-
-            for (let url of URLS_TO_CACHE) {
-                try {
-                    await cache.add(url);
-                    console.log(`✅ Cache eklendi: ${url}`);
-                } catch (error) {
-                    console.error(`❌ Cache eklenemedi: ${url}`, error);
-                }
-            }
+        caches.open(CACHE_NAME).then((cache) => {
+            return Promise.all(
+                URLS_TO_CACHE.map(url => 
+                    cache.add(url).then(() => console.log(`✅ Cache eklendi: ${url}`))
+                    .catch(error => console.error(`❌ Cache eklenemedi: ${url}`, error))
+                )
+            );
         })
     );
 });
 
-// 🚀 **Aktif olunca eski cache'leri temizle ve yeni versiyonu kaydet**
+// 🗑️ **Eski cache’leri temizle**
 self.addEventListener('activate', (event) => {
+    console.log(`⚡ Service Worker aktif oldu: v${CACHE_VERSION}`);
     event.waitUntil(
         caches.keys().then((cacheNames) => {
             return Promise.all(
-                cacheNames.map((cacheName) => {
-                    if (cacheName.startsWith("my-cache-v") && cacheName !== CACHE_NAME) {
-                        console.log(`🗑️ Eski cache siliniyor: ${cacheName}`);
-                        return caches.delete(cacheName);
+                cacheNames.map((cache) => {
+                    if (cache.startsWith("my-cache-v") && cache !== CACHE_NAME) {
+                        console.log(`🗑️ Eski cache siliniyor: ${cache}`);
+                        return caches.delete(cache);
                     }
                 })
             );
-        }).then(() => {
-            console.log(`💾 Yeni versiyon kaydedildi: v${CACHE_VERSION}`);
-            localStorage.setItem('cache_version', CACHE_VERSION);
         })
     );
 });
 
-// 🔍 **Cache'i kontrol et, yoksa internetten al ve kaydet**
+// 🌐 **Önbellekten yükle veya internetten al**
 self.addEventListener('fetch', (event) => {
     event.respondWith(
         caches.match(event.request).then((response) => {
-            if (response) return response;
-
-            return fetch(event.request).then((networkResponse) => {
+            return response || fetch(event.request).then((networkResponse) => {
                 return caches.open(CACHE_NAME).then((cache) => {
                     cache.put(event.request, networkResponse.clone());
                     return networkResponse;
                 });
             });
-        }).catch(() => caches.match(event.request))
+        }).catch(() => caches.match('/404.html'))
     );
 });