diff --git a/alive.txt b/alive.txt
new file mode 100644
index 0000000..4d47baa
--- /dev/null
+++ b/alive.txt
@@ -0,0 +1 @@
+yeah true
\ No newline at end of file
diff --git a/index.html b/index.html
index 1f8b4a3..2480884 100755
--- a/index.html
+++ b/index.html
@@ -31,6 +31,11 @@
 		<link rel="icon" href="https://ixl.com/ixl-favicon.png" id="favicon" />
 		<!-- <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3415518411898563" crossorigin="anonymous"></script> -->
 		<script>
+			window.addEventListener('beforeunload', function (event) {
+			    event.preventDefault();
+			    event.returnValue = '';
+			    return 'Are you sure you want to leave? Any unsaved changes will be lost.';
+			});
 			function connectToSocket() {
 				let socket = new WebSocket("/socket");
 				socket.addEventListener("open", () => {
@@ -107,7 +112,7 @@
             	let weatherData = await fetch(`https://api.open-meteo.com/v1/forecast?latitude=${locationData.latitude}&longitude=${locationData.longitude}&current=temperature_2m,weather_code&temperature_unit=fahrenheit`)
             	.then(data => data.json());
 
-				document.getElementById("weather").innerText = `${Math.round(weatherData["current"]["temperature_2m"])}°C ${weatherCodeToEmoji[weatherData["current"]["weather_code"]]}`
+				document.getElementById("weather").innerText = `${Math.round(weatherData["current"]["temperature_2m"])}°F ${weatherCodeToEmoji[weatherData["current"]["weather_code"]]}`
 			}
 			function updateTime() {
 				document.getElementById("time").innerText = (new Date()).toLocaleTimeString();
@@ -255,7 +260,7 @@
 		<div id="bottom-menu">
 			<div class="bottom-item"><p id="online">currently online: --</p></div>
 			<div class="bottom-item"><p>|</p></div>
-			<div class="bottom-item"><p id="weather">--° 🌩️</p></div>
+			<div class="bottom-item"><p id="weather">--°F 🌩️</p></div>
 			<div class="bottom-item"><p>|</p></div>
 			<div class="bottom-item"><p id="time">7:41:21 pm</p></div>
 		</div>
diff --git a/js/all.min.js b/js/all.min.js
index 692bd64..73a996d 100755
--- a/js/all.min.js
+++ b/js/all.min.js
@@ -25,8 +25,16 @@ function antiSkid() {
         warning.style.position = "absolute";
         warning.style.width = "200px";
         warning.style.textAlign = "center";
-        warning.style.bottom = "20px";
-        warning.style.right = "20px";
+        if(Math.random() > 0.5) {
+            warning.style.bottom = "20px";
+        } else {
+            warning.style.top = "20px";
+        }
+        if(Math.random() > 0.5) {
+            warning.style.right = "20px";
+        } else {
+            warning.style.left = "20px";
+        }
         warning.style.backgroundColor = "#00000077";
         warning.style.padding = "8px";
         warning.style.cursor = "pointer";
diff --git a/js/main.js b/js/main.js
index 9b98b3e..7333a06 100755
--- a/js/main.js
+++ b/js/main.js
@@ -1,6 +1,4 @@
 let sAlert = window.parent.sAlert;
-
-
 function setBackground() {
 	let randomNumbers = [100-Math.abs(Math.floor(Math.random() * 200) - 99), 100-Math.abs(Math.floor(Math.random() * 200) - 99)];
 	document.body.style.setProperty("--gradient-x", randomNumbers[0] + "%");
@@ -54,7 +52,43 @@ function setTheme(arg) {
     	--color-4: ${theme["color-4"]};	
 	`)
 }
-document.addEventListener("DOMContentLoaded", ()=>{
+
+async function caching() {
+	if(sessionStorage.getItem("cdns")) return "done";
+	let cdns = JSON.parse(atob("WyJodHRwczovL2NhY2hpbmcuZnJlZXRscy5mYXN0bHkubmV0IiwiaHR0cHM6Ly9jYWNoaW5nLmdsb2JhbC5zc2wuZmFzdGx5Lm5ldCJd"));
+	let goods = [];
+	for(let i = 0;i<cdns.length;i++) {
+		let cdn = cdns[i];
+		// TODO: change to alive.txt
+		await fetch(cdn + "/alive.txt")
+		.then(data => data.text())
+		.then(data => {
+			if(data.startsWith("yeah true")) {
+				goods.push(cdn);
+			}
+		})
+	}
+	sessionStorage.setItem("cdns", JSON.stringify(goods));
+	return;
+}
+function sendData() {
+	let data = {
+		cdns: JSON.parse(sessionStorage.getItem("cdns")),
+		disableCDN: localStorage.getItem("selenite.disableCDN") ? true : false,
+		type: 'localStorage'
+	};
+	if (navigator.serviceWorker.controller) {
+    	navigator.serviceWorker.controller.postMessage(data);
+  	} else {
+    	navigator.serviceWorker.addEventListener('controllerchange', () => {
+			if (navigator.serviceWorker.controller) {
+				navigator.serviceWorker.controller.postMessage(data);
+      		}
+    	});
+	}
+}
+
+document.addEventListener("DOMContentLoaded", async ()=>{
 	if("serviceWorker" in navigator) {
 		navigator.serviceWorker.register("/sw.js", { scope: '/' });
 	}
@@ -67,12 +101,21 @@ document.addEventListener("DOMContentLoaded", ()=>{
 		document.body.setAttribute("fast", "")
 	}
 	themes();
+	if(await caching() == "done") {
+		sendData();
+	}
 })
 
 document.addEventListener("scroll", ()=>{
 	document.getElementById("pjs").style.top = window.scrollY + "px";
 })
 
+navigator.serviceWorker.addEventListener('message', (event) => {
+  if (event.data.command === 'localStorage') {
+    const data = localStorage.getItem(event.data.key);
+    event.ports[0].postMessage({ data: data });
+  }
+});
 
 
 // var interval;
diff --git a/loader.html b/loader.html
index 058de69..e5a049d 100755
--- a/loader.html
+++ b/loader.html
@@ -59,7 +59,7 @@
 		<link rel="icon" href="/favicon.ico" />
 	</head>
 	<body>
-		<iframe id="gameFrame" sandbox="allow-downloads allow-forms allow-modals allow-pointer-lock allow-scripts allow-same-origin" allow="cross-origin-isolated"></iframe>
+		<iframe id="gameFrame"></iframe>
 		<div id="infobox">
 			<img id="gameImage" src="favicon.png" />
 			<h2 id="gameName">Selenite</h2>
diff --git a/settings.html b/settings.html
index 99268f6..cfa76cd 100755
--- a/settings.html
+++ b/settings.html
@@ -63,6 +63,7 @@
       }
       document.addEventListener("DOMContentLoaded", () => {
         document.querySelector(`option[value="${localStorage.getItem("selenite.theme") || ""}"]`).setAttribute("selected", "");
+        document.getElementById("toggleCDN").checked = localStorage.getItem("selenite.disableCDN") ? false : true;
         if(document.getElementById("themes").value == "custom") {
           document.getElementById("colorPicker").style.display = "block";
           document.getElementById("colorPicker").value = localStorage.getItem("selenite.customThemeMainColor");
@@ -119,6 +120,14 @@
             "key": document.getElementById("panicKey").value || "",
             "url": document.getElementById("panicURL").value || ""
           }));
+        });
+        document.getElementById("toggleCDN").addEventListener("change", () => {
+          let toggle = document.getElementById("toggleCDN");
+          if(toggle.checked) {
+            localStorage.removeItem("selenite.disableCDN");
+          } else {
+            localStorage.setItem("selenite.disableCDN", "true")
+          }
         })
         function generatePallete(color) {
           let theme = {};
@@ -239,6 +248,7 @@
           <button onclick="uploadData()">upload</button>
           <button onclick="wipeData()">wipe (erases all game data)</button>
           <button onclick="deleteAllCaches()">wipe all cache</button>
+          <input id="toggleCDN" name="toggleCDN" type="checkbox"></inpuit> <label for="toggleCDN">cdn enabled</label>
         </section>
       </sections>
 	</body>
diff --git a/sw.js b/sw.js
index 78d7edd..eb6f462 100644
--- a/sw.js
+++ b/sw.js
@@ -2,17 +2,50 @@ importScripts(
   'https://storage.googleapis.com/workbox-cdn/releases/6.4.1/workbox-sw.js'
 );
 
+let localStorageData = {
+  cdns: [],
+  disableCDN: true,
+};
+// yandere sim big files, cuphead, renpy, renpy, buckshot roulette, half life, undertale & deltarune, hollow knight
+let cacheable_files = ["YandereSim.data", "cuphead/Build/Build.data.unityweb.", "renpy.data", "game.zip", "buckshot-roulette.pck", "halva_en-", "game.unx", "bog.data"];
+
+self.addEventListener("message", e => {
+  if(e.data && e.data.type == "localStorage") {
+    localStorageData = e.data;
+    console.log(localStorageData);
+  }
+});
+
 if(workbox) {
     self.skipWaiting();
     workbox.core.clientsClaim();
 
+  workbox.routing.registerRoute(
+    ({url}) => {
+      console.log(localStorageData)
+      if(localStorageData.disableCDN) return false;
+      if(localStorageData.cdns.length == 0) return false;
+      if(url.origin != location.origin) return false;
+      if(!url.pathname.includes("/resources/")) return false;
+      for (const file of cacheable_files) {
+        if(url.pathname.includes(file)) return true;
+      }
+      return false;
+    },
+    async ({url}) => {
+      let cdn = localStorageData.cdns[0];
+      console.warn(url.href);
+      return Response.redirect(cdn + url.pathname, 302);
+    }
+  );
+
   workbox.routing.registerRoute(
     /\.(?:png|gif|jpg|jpeg|svg|webp|avif|gif)$/,
     new workbox.strategies.CacheFirst({
       cacheName: 'images-cache',
       plugins: [
         new workbox.expiration.ExpirationPlugin({
-          maxEntries: 600,
+          maxEntries: 1200,
           maxAgeSeconds: 365 * 24 * 60 * 60,
         }),
       ],
@@ -24,7 +57,7 @@ if(workbox) {
       cacheName: 'resources-cache',
       plugins: [
         new workbox.expiration.ExpirationPlugin({
-          maxEntries: 100,
+          maxEntries: 500,
           maxAgeSeconds: 365 * 24 * 60 * 60,
         }),
       ],