diff --git a/public/assets/boot/ctrl_boot_frontoffice.js b/public/assets/boot/ctrl_boot_frontoffice.js
index bf786880..b2212e33 100644
--- a/public/assets/boot/ctrl_boot_frontoffice.js
+++ b/public/assets/boot/ctrl_boot_frontoffice.js
@@ -3,7 +3,6 @@ import { loadJS } from "../helpers/loader.js";
 import { init as setup_translation } from "../locales/index.js";
 import { init as setup_config } from "../model/config.js";
 import { init as setup_plugin } from "../model/plugin.js";
-import { init as setup_chromecast } from "../model/chromecast.js";
 import { init as setup_cache } from "../pages/filespage/cache.js";
 import { report } from "../helpers/log.js";
 import { $error } from "./common.js";
@@ -12,7 +11,6 @@ export default async function main() {
     try {
         await Promise.all([
             setup_config().then((config) => Promise.all([
-                setup_chromecast(config),
                 setup_title(config),
                 window.self === window.top ? verify_origin(config) : verify_iframe_origin(config),
             ])),
diff --git a/public/assets/model/chromecast.js b/public/assets/model/chromecast.js
index 02ab5f69..4c186adb 100644
--- a/public/assets/model/chromecast.js
+++ b/public/assets/model/chromecast.js
@@ -1,19 +1,19 @@
-export function init(config) {
-    if (navigator.onLine === false) return Promise.resolve();
-    if (!config["enable_chromecast"]) {
-        return Promise.resolve();
-    } else if (!("chrome" in window)) {
-        return Promise.resolve();
-    } else if (location.hostname === "localhost" || location.hostname === "127.0.0.1") {
-        return Promise.resolve();
-    }
-    return Chromecast.init();
-}
+import { get as getConfig } from "./config.js";
 
 export const Chromecast = new class ChromecastManager {
     init() {
+        if (navigator.onLine === false) return Promise.resolve();
+        if (!getConfig("enable_chromecast", false)) {
+            return Promise.resolve();
+        } else if (!("chrome" in window)) {
+            return Promise.resolve();
+        } else if (location.hostname === "localhost" || location.hostname === "127.0.0.1") {
+            return Promise.resolve();
+        }
         return new Promise((resolve) => {
+            if (document.head.querySelector("script#chromecast")) return resolve(null);
             const script = document.createElement("script");
+            script.id = "chromecast";
             script.src = "https://www.gstatic.com/cv/js/sender/v1/cast_sender.js?loadCastFramework=1";
             script.onerror = () => resolve(null);
             window["__onGCastApiAvailable"] = function(isAvailable) {
diff --git a/public/assets/pages/filespage/model_files.js b/public/assets/pages/filespage/model_files.js
index 0e92052e..1de7aa3a 100644
--- a/public/assets/pages/filespage/model_files.js
+++ b/public/assets/pages/filespage/model_files.js
@@ -27,7 +27,7 @@ import { ls as middlewareLs } from "./model_virtual_layer.js";
 
 const handleSuccess = (text) => rxjs.tap(() => notification.info(text));
 const handleError = rxjs.catchError((err) => {
-    notification.error(err);
+    notification.error(err.message);
     throw err;
 });
 const handleErrorRedirectLogin = rxjs.catchError((err) => {
diff --git a/public/assets/pages/filespage/model_virtual_layer.js b/public/assets/pages/filespage/model_virtual_layer.js
index 7a37dfdd..2227fcb5 100644
--- a/public/assets/pages/filespage/model_virtual_layer.js
+++ b/public/assets/pages/filespage/model_virtual_layer.js
@@ -402,7 +402,7 @@ export function mv(fromPath, toPath) {
                             ...file,
                             loading: false,
                             last: false,
-                        }
+                        };
                         return file;
                     },
                 });
diff --git a/public/assets/pages/viewerpage/application_image.js b/public/assets/pages/viewerpage/application_image.js
index fa6b961d..1227d426 100644
--- a/public/assets/pages/viewerpage/application_image.js
+++ b/public/assets/pages/viewerpage/application_image.js
@@ -114,7 +114,7 @@ export function init() {
     return Promise.all([
         loadCSS(import.meta.url, "./application_image.css"),
         loadCSS(import.meta.url, "./component_menubar.css"),
-        initPagination(), initInformation(),
+        initPagination(), initInformation(), Chromecast.init(),
     ]);
 }
 
diff --git a/public/index.frontoffice.html b/public/index.frontoffice.html
index 9b4145cf..da45b01d 100644
--- a/public/index.frontoffice.html
+++ b/public/index.frontoffice.html
@@ -6,8 +6,8 @@
         <meta http-equiv="X-UA-Compatible" content="IE=edge">
         <meta name="application-name" content="Filestash">
         <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
-        <link rel="icon" href="favicon.ico">
         <title></title>
+        <link rel="icon" href="{{ .favicon }}">
         <script>{{ if eq .license "agpl" }}{{ template "loader-cat" }}{{ else }}{{ template "loader-basic" }}{{ end }}</script>
     </head>
     <body>
@@ -60,7 +60,7 @@
                  register.active.postMessage({
                      "type": "preload",
                      "payload": URLS,
-                     "version": "{{ .version }}".substring(0, 7) + "::{{ .hash }}",
+                     "version": "{{ slice .version 0 7 }}::{{ .hash }}",
                      "clear": {{ .clear }},
                  });
                  await new Promise((resolve, reject) => navigator.serviceWorker.addEventListener("message", (event) => {
diff --git a/server/ctrl/static.go b/server/ctrl/static.go
index 1ddff35a..b2ca2bb0 100644
--- a/server/ctrl/static.go
+++ b/server/ctrl/static.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	_ "embed"
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -226,6 +227,24 @@ func ServeIndex(indexPath string) func(*App, http.ResponseWriter, *http.Request)
 
 	return func(ctx *App, res http.ResponseWriter, req *http.Request) {
 		head := res.Header()
+		sign := signature()
+		base := WithBase("/")
+		clear := req.Header.Get("Cache-Control") == "no-cache"
+		templateData := map[string]any{
+			"base":    base,
+			"version": BUILD_REF,
+			"license": LICENSE,
+			"preload": preload(),
+			"clear":   clear,
+			"hash":    sign,
+			"favicon": favicon(),
+		}
+		calculatedEtag := QuickHash(base+BUILD_REF+LICENSE+fmt.Sprintf("%t", clear)+sign, 10)
+		head.Set("ETag", calculatedEtag)
+		if etag := req.Header.Get("If-None-Match"); etag == calculatedEtag {
+			res.WriteHeader(http.StatusNotModified)
+			return
+		}
 		var out io.Writer = res
 		if strings.Contains(req.Header.Get("Accept-Encoding"), "gzip") {
 			head.Set("Content-Encoding", "gzip")
@@ -234,14 +253,7 @@ func ServeIndex(indexPath string) func(*App, http.ResponseWriter, *http.Request)
 			out = gz
 		}
 		head.Set("Content-Type", "text/html")
-		tmpl.Execute(out, map[string]any{
-			"base":    WithBase("/"),
-			"version": BUILD_REF,
-			"license": LICENSE,
-			"preload": preload(),
-			"clear":   req.Header.Get("Cache-Control") == "no-cache",
-			"hash":    signature(),
-		})
+		tmpl.Execute(out, templateData)
 	}
 }
 
@@ -496,3 +508,15 @@ func signature() string {
 	}
 	return strings.ToLower(QuickHash(text, 3))
 }
+
+func favicon() string {
+	file, err := WWWPublic.Open("/assets/logo/favicon.svg")
+	if err != nil {
+		return "favicon.ico"
+	}
+	f, err := io.ReadAll(file)
+	if err != nil {
+		return "favicon.ico"
+	}
+	return "data:image/svg+xml;base64," + base64.StdEncoding.EncodeToString(f)
+}