diff --git a/package.json b/package.json
index b23ac16..a47f3d6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "fwdekker.com",
-    "version": "0.37.3",
+    "version": "0.37.4",
     "description": "The source code of [my personal website](https://fwdekker.com/).",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",
diff --git a/src/main/index.html b/src/main/index.html
index bbde186..6c500f1 100644
--- a/src/main/index.html
+++ b/src/main/index.html
@@ -59,6 +59,6 @@
         });
     }
 </script>
-<script type="module" src="bundle.js"></script>
+<script type="module" src="bundle.js?v=%%VERSION_NUMBER%%"></script>
 </body>
 </html>
diff --git a/src/main/js/Persistence.ts b/src/main/js/Persistence.ts
index 6b97c8a..1864752 100644
--- a/src/main/js/Persistence.ts
+++ b/src/main/js/Persistence.ts
@@ -13,9 +13,11 @@ export class Persistence {
      * Removes all persistent storage.
      */
     static reset(): void {
-        sessionStorage.clear();
-        localStorage.clear();
-        Cookies.remove("env");
+        localStorage.removeItem("//files");
+        localStorage.removeItem("//history");
+        localStorage.removeItem("//version");
+        sessionStorage.removeItem("//env");
+        sessionStorage.removeItem("//has-updated");
         Cookies.remove("poweroff");
     }
 
@@ -29,7 +31,7 @@ export class Persistence {
      * failed.
      */
     static getFileSystem(): FileSystem {
-        const fileString = localStorage.getItem("files");
+        const fileString = localStorage.getItem("//files");
         if (fileString !== null) {
             try {
                 const parsedFiles = Node.deserialize(fileString);
@@ -38,7 +40,7 @@ export class Persistence {
                 else
                     console.warn("'files' cookie contains non-directory.");
             } catch (error) {
-                console.warn("Failed to deserialize 'files' cookie.", error);
+                console.warn("Failed to deserialize 'files' storage.", error);
             }
         }
 
@@ -51,7 +53,7 @@ export class Persistence {
      * @param fileSystem the file system to persist
      */
     static setFileSystem(fileSystem: FileSystem): void {
-        localStorage.setItem("files", JSON.stringify(fileSystem.root));
+        localStorage.setItem("//files", JSON.stringify(fileSystem.root));
     }
 
     /**
@@ -59,9 +61,9 @@ export class Persistence {
      */
     static getHistory(): InputHistory {
         try {
-            return new InputHistory(JSON.parse(localStorage.getItem("history") ?? "[]"));
+            return new InputHistory(JSON.parse(localStorage.getItem("//history") ?? "[]"));
         } catch (error) {
-            console.warn("Failed to deserialize 'history' cookie.", error);
+            console.warn("Failed to deserialize 'history' storage.", error);
             return new InputHistory();
         }
     }
@@ -72,7 +74,54 @@ export class Persistence {
      * @param history the history to persist
      */
     static setHistory(history: InputHistory): void {
-        localStorage.setItem("history", JSON.stringify(history.entries));
+        localStorage.setItem("//history", JSON.stringify(history.entries));
+    }
+
+    /**
+     * Returns the version of the scripts that were used the last time the user visited the website.
+     */
+    static getVersion(): string {
+        return localStorage.getItem("//version") ?? "%%VERSION_NUMBER%%";
+    }
+
+    /**
+     * Sets the version of the scripts that were used the last time the user visited the website.
+     *
+     * @param version the version of the scripts that were used the last time the user visited the website
+     */
+    static setVersion(version: string) {
+        localStorage.setItem("//version", version);
+    }
+
+
+    ///
+    /// Short-term storage
+    ///
+
+    /**
+     * Returns `true` if and only if the server is "turned off".
+     */
+    static getPoweroff(): boolean {
+        try {
+            return JSON.parse(Cookies.get("poweroff") ?? "false");
+        } catch (error) {
+            console.warn("Failed to deserialize 'poweroff' cookie.", error);
+            return false;
+        }
+    }
+
+    /**
+     * Stores whether the server is "turned off".
+     *
+     * @param value whether the server is "turned off"
+     */
+    static setPoweroff(value: boolean): void {
+        Cookies.set("poweroff", "" + value, {
+            expires: new Date(new Date().setSeconds(new Date().getSeconds() + 30)),
+            path: "/",
+            secure: true,
+            sameSite: "lax"
+        });
     }
 
     /**
@@ -82,7 +131,7 @@ export class Persistence {
      * @param userList the list of users used to validate the `user` environment variable
      */
     static getEnvironment(userList: UserList): Environment {
-        const environmentString = Cookies.get("env") ?? "{}";
+        const environmentString = sessionStorage.getItem("//env") ?? "{}";
 
         let environment: Environment;
         try {
@@ -119,54 +168,7 @@ export class Persistence {
      * @param environment the environment to persist
      */
     static setEnvironment(environment: Environment): void {
-        Cookies.set("env", environment.variables, {path: "/", secure: true, sameSite: "lax"});
-    }
-
-    /**
-     * Returns the version of the scripts that were used the last time the user visited the website.
-     */
-    static getVersion(): string {
-        return localStorage.getItem("version") ?? "%%VERSION_NUMBER%%";
-    }
-
-    /**
-     * Sets the version of the scripts that were used the last time the user visited the website.
-     *
-     * @param version the version of the scripts that were used the last time the user visited the website
-     */
-    static setVersion(version: string) {
-        localStorage.setItem("version", version);
-    }
-
-
-    ///
-    /// Short-term storage
-    ///
-
-    /**
-     * Returns `true` if and only if the server is "turned off".
-     */
-    static getPoweroff(): boolean {
-        try {
-            return JSON.parse(Cookies.get("poweroff") ?? "false");
-        } catch (error) {
-            console.warn("Failed to deserialize 'poweroff' cookie.", error);
-            return false;
-        }
-    }
-
-    /**
-     * Stores whether the server is "turned off".
-     *
-     * @param value whether the server is "turned off"
-     */
-    static setPoweroff(value: boolean): void {
-        Cookies.set("poweroff", "" + value, {
-            expires: new Date(new Date().setSeconds(new Date().getSeconds() + 30)),
-            path: "/",
-            secure: true,
-            sameSite: "lax"
-        });
+        sessionStorage.setItem("//env", JSON.stringify(environment.variables));
     }
 
     /**
@@ -174,7 +176,7 @@ export class Persistence {
      */
     static getWasUpdated(): boolean {
         try {
-            return JSON.parse(sessionStorage.getItem("has-updated") ?? "false");
+            return JSON.parse(sessionStorage.getItem("//has-updated") ?? "false");
         } catch (error) {
             console.warn("Failed to deserialize 'poweroff' cookie.", error);
             return false;
@@ -187,6 +189,6 @@ export class Persistence {
      * @param value whether the terminal was updated in this session
      */
     static setWasUpdated(value: boolean): void {
-        sessionStorage.setItem("has-updated", "" + value);
+        sessionStorage.setItem("//has-updated", "" + value);
     }
 }