diff --git a/app.py b/app.py
index 73f75ea..b044505 100755
--- a/app.py
+++ b/app.py
@@ -167,7 +167,7 @@ def create_app():
     app = FastAPI(
         title="Spotizerr API",
         description="Music download service API",
-        version="1.0.0",
+        version="3.0.0",
         lifespan=lifespan,
         redirect_slashes=True  # Enable automatic trailing slash redirects
     )
diff --git a/spotizerr-ui/package.json b/spotizerr-ui/package.json
index 7e56235..2916fb0 100644
--- a/spotizerr-ui/package.json
+++ b/spotizerr-ui/package.json
@@ -1,7 +1,7 @@
 {
   "name": "spotizerr-ui",
   "private": true,
-  "version": "0.0.0",
+  "version": "3.0.0",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/spotizerr-ui/src/router.tsx b/spotizerr-ui/src/router.tsx
index 212971c..c125d57 100644
--- a/spotizerr-ui/src/router.tsx
+++ b/spotizerr-ui/src/router.tsx
@@ -1,16 +1,18 @@
-import { createRouter, createRootRoute, createRoute } from "@tanstack/react-router";
+import { createRouter, createRootRoute, createRoute, lazyRouteComponent } from "@tanstack/react-router";
 import Root from "./routes/root";
-import { Album } from "./routes/album";
-import { Artist } from "./routes/artist";
-import { Track } from "./routes/track";
-import { Home } from "./routes/home";
-import { Config } from "./routes/config";
-import { Playlist } from "./routes/playlist";
-import { History } from "./routes/history";
-import { Watchlist } from "./routes/watchlist";
 import apiClient from "./lib/api-client";
 import type { SearchResult } from "./types/spotify";
 
+// Lazy load route components for code splitting
+const Album = lazyRouteComponent(() => import("./routes/album").then(m => ({ default: m.Album })));
+const Artist = lazyRouteComponent(() => import("./routes/artist").then(m => ({ default: m.Artist })));
+const Track = lazyRouteComponent(() => import("./routes/track").then(m => ({ default: m.Track })));
+const Home = lazyRouteComponent(() => import("./routes/home").then(m => ({ default: m.Home })));
+const Config = lazyRouteComponent(() => import("./routes/config").then(m => ({ default: m.Config })));
+const Playlist = lazyRouteComponent(() => import("./routes/playlist").then(m => ({ default: m.Playlist })));
+const History = lazyRouteComponent(() => import("./routes/history").then(m => ({ default: m.History })));
+const Watchlist = lazyRouteComponent(() => import("./routes/watchlist").then(m => ({ default: m.Watchlist })));
+
 const rootRoute = createRootRoute({
   component: Root,
 });
diff --git a/spotizerr-ui/src/routes/config.tsx b/spotizerr-ui/src/routes/config.tsx
index 4b148bd..3351ec6 100644
--- a/spotizerr-ui/src/routes/config.tsx
+++ b/spotizerr-ui/src/routes/config.tsx
@@ -1,17 +1,26 @@
-import { useState, useEffect, useRef } from "react";
+import { useState, useEffect, useRef, Suspense, lazy } from "react";
 import { useSearch } from "@tanstack/react-router";
-import { GeneralTab } from "../components/config/GeneralTab";
-import { DownloadsTab } from "../components/config/DownloadsTab";
-import { FormattingTab } from "../components/config/FormattingTab";
-import { AccountsTab } from "../components/config/AccountsTab";
-import { WatchTab } from "../components/config/WatchTab";
-import { ServerTab } from "../components/config/ServerTab";
-import { UserManagementTab } from "../components/config/UserManagementTab";
-import { ProfileTab } from "../components/config/ProfileTab";
 import { useSettings } from "../contexts/settings-context";
 import { useAuth } from "../contexts/auth-context";
 import { LoginScreen } from "../components/auth/LoginScreen";
 
+// Lazy load config tab components for better code splitting
+const GeneralTab = lazy(() => import("../components/config/GeneralTab").then(m => ({ default: m.GeneralTab })));
+const DownloadsTab = lazy(() => import("../components/config/DownloadsTab").then(m => ({ default: m.DownloadsTab })));
+const FormattingTab = lazy(() => import("../components/config/FormattingTab").then(m => ({ default: m.FormattingTab })));
+const AccountsTab = lazy(() => import("../components/config/AccountsTab").then(m => ({ default: m.AccountsTab })));
+const WatchTab = lazy(() => import("../components/config/WatchTab").then(m => ({ default: m.WatchTab })));
+const ServerTab = lazy(() => import("../components/config/ServerTab").then(m => ({ default: m.ServerTab })));
+const UserManagementTab = lazy(() => import("../components/config/UserManagementTab").then(m => ({ default: m.UserManagementTab })));
+const ProfileTab = lazy(() => import("../components/config/ProfileTab").then(m => ({ default: m.ProfileTab })));
+
+// Loading component for tab transitions
+const TabLoading = () => (
+  <div className="flex items-center justify-center h-64">
+    <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-500"></div>
+  </div>
+);
+
 const ConfigComponent = () => {
   const { tab } = useSearch({ from: "/config" });
   const { user, isAuthenticated, authEnabled, isLoading: authLoading } = useAuth();
@@ -102,11 +111,19 @@ const ConfigComponent = () => {
   const renderTabContent = () => {
     // User management and profile don't need config data
     if (activeTab === "user-management") {
-      return <UserManagementTab />;
+      return (
+        <Suspense fallback={<TabLoading />}>
+          <UserManagementTab />
+        </Suspense>
+      );
     }
     
     if (activeTab === "profile") {
-      return <ProfileTab />;
+      return (
+        <Suspense fallback={<TabLoading />}>
+          <ProfileTab />
+        </Suspense>
+      );
     }
     
     if (isLoading) return <div className="text-center py-12"><p className="text-content-muted dark:text-content-muted-dark">Loading configuration...</p></div>;
@@ -114,17 +131,41 @@ const ConfigComponent = () => {
 
     switch (activeTab) {
       case "general":
-        return <GeneralTab config={config} isLoading={isLoading} />;
+        return (
+          <Suspense fallback={<TabLoading />}>
+            <GeneralTab config={config} isLoading={isLoading} />
+          </Suspense>
+        );
       case "downloads":
-        return <DownloadsTab config={config} isLoading={isLoading} />;
+        return (
+          <Suspense fallback={<TabLoading />}>
+            <DownloadsTab config={config} isLoading={isLoading} />
+          </Suspense>
+        );
       case "formatting":
-        return <FormattingTab config={config} isLoading={isLoading} />;
+        return (
+          <Suspense fallback={<TabLoading />}>
+            <FormattingTab config={config} isLoading={isLoading} />
+          </Suspense>
+        );
       case "accounts":
-        return <AccountsTab />;
+        return (
+          <Suspense fallback={<TabLoading />}>
+            <AccountsTab />
+          </Suspense>
+        );
       case "watch":
-        return <WatchTab />;
+        return (
+          <Suspense fallback={<TabLoading />}>
+            <WatchTab />
+          </Suspense>
+        );
       case "server":
-        return <ServerTab />;
+        return (
+          <Suspense fallback={<TabLoading />}>
+            <ServerTab />
+          </Suspense>
+        );
       default:
         return null;
     }
diff --git a/spotizerr-ui/vite.config.ts b/spotizerr-ui/vite.config.ts
index fbe71b0..7db129c 100644
--- a/spotizerr-ui/vite.config.ts
+++ b/spotizerr-ui/vite.config.ts
@@ -99,6 +99,52 @@ export default defineConfig({
       "@": resolve(__dirname, "./src"),
     },
   },
+  build: {
+    chunkSizeWarningLimit: 1000, // Increase warning limit to 1MB
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          // Core React and routing
+          'react-vendor': ['react', 'react-dom'],
+          'router-vendor': ['@tanstack/react-router'],
+          
+          // Query and state management
+          'query-vendor': ['@tanstack/react-query'],
+          
+          // UI and icon libraries
+          'ui-vendor': ['lucide-react', 'react-icons', 'sonner'],
+          
+          // Table components (only used in specific routes)
+          'table-vendor': ['@tanstack/react-table'],
+          
+          // Form handling
+          'form-vendor': ['react-hook-form', 'use-debounce'],
+          
+          // HTTP client
+          'http-vendor': ['axios'],
+          
+          // Config components (heavy route with many tabs)
+          'config-components': [
+            './src/components/config/GeneralTab',
+            './src/components/config/DownloadsTab',
+            './src/components/config/FormattingTab',
+            './src/components/config/AccountsTab',
+            './src/components/config/WatchTab',
+            './src/components/config/ServerTab',
+            './src/components/config/UserManagementTab',
+            './src/components/config/ProfileTab'
+          ],
+          
+          // Utilities and helpers
+          'utils-vendor': ['uuid'],
+        },
+        // Additional chunk optimization
+        chunkFileNames: () => {
+          return `assets/[name]-[hash].js`;
+        },
+      },
+    },
+  },
   server: {
     host: true,
     port: 5173,