diff --git a/src/App.tsx b/src/App.tsx
index 4288aa1..2cb9ee6 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -65,13 +65,13 @@ const router = createBrowserRouter([
 			{
 				path: "/",
 				element: <AuthenticatedRoute />,
+				loader: getServerSettings,
 				children: [
 					{
 						path: "/",
 						element: <OverviewRoute />,
 					},
 					{
-						loader: getServerSettings,
 						path: "/aliases",
 						element: <AliasesRoute />,
 					},
@@ -88,7 +88,6 @@ const router = createBrowserRouter([
 						element: <ReportsRoute />,
 					},
 					{
-						loader: getServerSettings,
 						path: "/reports/:id",
 						element: <ReportDetailRoute />,
 					},
diff --git a/src/components/ExtensionalSignalHandler.tsx b/src/components/ExtensionalSignalHandler.tsx
new file mode 100644
index 0000000..8f7fa45
--- /dev/null
+++ b/src/components/ExtensionalSignalHandler.tsx
@@ -0,0 +1,18 @@
+import {ReactElement, useContext} from "react"
+
+import AuthContext from "~/AuthContext/AuthContext"
+
+export default function ExtensionSignalHandler(): ReactElement {
+	const {user} = useContext(AuthContext)
+	const appDomain = import.meta.env.VITE_SERVER_BASE_URL
+	const instanceData = {
+		appDomain,
+		isAuthenticated: Boolean(user),
+	}
+
+	return (
+		<script id="_#kleckrelay-instance-data" type="application/json">
+			{JSON.stringify(instanceData)}
+		</script>
+	)
+}
diff --git a/src/components/index.ts b/src/components/index.ts
index 0c8a0e3..0e45169 100644
--- a/src/components/index.ts
+++ b/src/components/index.ts
@@ -42,5 +42,6 @@ export * from "./ExpandableListItem"
 export {default as ExpandableListItem} from "./ExpandableListItem"
 export * from "./ExternalLinkIndication"
 export {default as ExternalLinkIndication} from "./ExternalLinkIndication"
+export {default as ExtensionSignalHandler} from "./ExtensionalSignalHandler"
 
 export * as SimplePageBuilder from "./simple-page-builder"
diff --git a/src/routes/Root.tsx b/src/routes/Root.tsx
index 3603c67..aa4b43b 100644
--- a/src/routes/Root.tsx
+++ b/src/routes/Root.tsx
@@ -1,12 +1,16 @@
 import {Outlet} from "react-router-dom"
 import React, {ReactElement} from "react"
 
+import {ExtensionSignalHandler} from "~/components"
 import AppLoadingScreen from "~/AppLoadingScreen/AppLoadingScreen"
 
 export default function RootRoute(): ReactElement {
 	return (
-		<AppLoadingScreen>
-			<Outlet />
-		</AppLoadingScreen>
+		<>
+			<AppLoadingScreen>
+				<Outlet />
+			</AppLoadingScreen>
+			<ExtensionSignalHandler />
+		</>
 	)
 }
diff --git a/src/server-types.ts b/src/server-types.ts
index 08ae590..2cb8131 100644
--- a/src/server-types.ts
+++ b/src/server-types.ts
@@ -64,6 +64,7 @@ export interface AuthenticationDetails extends SimpleDetailResponse {
 
 export interface ServerSettings {
 	mailDomain: string
+	appDomain: string
 	randomEmailIdMinLength: number
 	RandomEmailIdChars: string
 	imageProxyEnabled: boolean