diff --git a/appinfo/routes.php b/appinfo/routes.php
index aeb48a09..22c6a596 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -22,10 +22,10 @@
 return [
 	'routes' => [
 		['name' => 'site#showDefaultPage', 'url' => '/', 'verb' => 'GET'],
-		['name' => 'site#showPage', 'url' => '/{id}', 'verb' => 'GET'],
 		['name' => 'icon#uploadIcon', 'url' => '/icons', 'verb' => 'POST'],
 		['name' => 'icon#showIcon', 'url' => '/icons/{icon}', 'verb' => 'GET'],
 		['name' => 'icon#deleteIcon', 'url' => '/icons/{icon}', 'verb' => 'DELETE'],
+		['name' => 'site#showPage', 'url' => '/{id}/{path}', 'verb' => 'GET', 'requirements' => ['path' => '.*']],
 	],
 	'ocs' => [
 		['name' => 'API#get', 'url' => '/api/{apiVersion}', 'verb' => 'GET', 'requirements' => ['apiVersion' => 'v1']],
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index afd1309a..33e94cce 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -82,7 +82,7 @@ public function registerSites(
 
 				$href = $site['url'];
 				if (!$site['redirect']) {
-					$href = $url->linkToRoute('external.site.showPage', ['id' => $site['id']]);
+					$href = $url->linkToRoute('external.site.showPage', ['id' => $site['id'], 'path' => '']);
 				}
 
 				return [
diff --git a/lib/BeforeTemplateRenderedListener.php b/lib/BeforeTemplateRenderedListener.php
index 00065193..70c3f92a 100644
--- a/lib/BeforeTemplateRenderedListener.php
+++ b/lib/BeforeTemplateRenderedListener.php
@@ -97,7 +97,7 @@ protected function generateImageLink(array $site): string {
 
 	protected function getHref(array $site): string {
 		if (!$site['redirect']) {
-			return $this->urlGenerator->linkToRoute('external.site.showPage', ['id' => $site['id']]);
+			return $this->urlGenerator->linkToRoute('external.site.showPage', ['id' => $site['id'], 'path' => '']);
 		}
 
 		return $site['url'];
diff --git a/lib/Controller/SiteController.php b/lib/Controller/SiteController.php
index d189fbe9..0ce45f49 100644
--- a/lib/Controller/SiteController.php
+++ b/lib/Controller/SiteController.php
@@ -61,10 +61,10 @@ public function __construct(string $appName,
 	 *
 	 * @return TemplateResponse|RedirectResponse
 	 */
-	public function showPage(int $id) {
+	public function showPage(int $id, string $path) {
 		try {
 			$site = $this->sitesManager->getSiteById($id);
-			return $this->createResponse($id, $site);
+			return $this->createResponse($id, $site, $path);
 		} catch (SiteNotFoundException $e) {
 			return new RedirectResponse($this->url->linkToDefaultPageUrl());
 		}
@@ -100,11 +100,16 @@ public function showDefaultPage() {
 		return new RedirectResponse($this->url->getAbsoluteURL('/index.php/apps/files/'));
 	}
 
-	protected function createResponse(int $id, array $site): TemplateResponse {
+	protected function createResponse(int $id, array $site, string $path = ''): TemplateResponse {
 		$this->navigationManager->setActiveEntry('external_index' . $id);
 
+		if ($path !== '') {
+			// Check whether we need to suffix the site URL with a slash, or not.
+			$path = $site['url'][-1] == '/' ? $path : '/' . $path;
+		}
+
 		$response = new TemplateResponse('external', 'frame', [
-			'url' => $site['url'],
+			'url' => $site['url'] . $path,
 			'name' => $site['name'],
 		], 'user');
 
diff --git a/lib/Settings/Personal.php b/lib/Settings/Personal.php
index 5721195c..a95c1870 100644
--- a/lib/Settings/Personal.php
+++ b/lib/Settings/Personal.php
@@ -56,7 +56,7 @@ public function getForm() {
 
 		$url = $quotaLink['url'];
 		if (!$quotaLink['redirect']) {
-			$url = $this->url->linkToRoute('external.site.showPage', ['id' => $quotaLink['id']]);
+			$url = $this->url->linkToRoute('external.site.showPage', ['id' => $quotaLink['id'], 'path' => '']);
 		}
 
 		return new TemplateResponse('external', 'quota', [
diff --git a/templates/settings.php b/templates/settings.php
index 94adb9ad..2f034a4f 100644
--- a/templates/settings.php
+++ b/templates/settings.php
@@ -36,6 +36,7 @@
 		<h2><?php p($l->t('External sites'));?></h2>
 		<p class="settings-hint"><?php p($l->t('Add a website directly to the app list in the top bar. This will be visible for all users and is useful to quickly reach other internally used web apps or important sites.')); ?></p>
 		<p class="settings-hint"><?php p($l->t('The placeholders {email}, {uid} and {displayname} can be used and are filled with the user´s values to customize the links.')); ?></p>
+		<p class="settings-hint"><?php p($l->t("When accessing the external site through the Nextcloud link, path parameters will be forwarded to the external site. So you can also create deep links (e.g. 'mycloud.com/external/1/pageA' will lead to Nextcloud with the iframe pointed at 'externalsite.com/pageA').")); ?></p>
 		<p class="settings-hint"><?php print_unescaped(str_replace(
 			['{linkstart}', '{linkend}'],
 			['<a target="_blank" class="external" href="https://github.com/nextcloud/external/blob/master/docs/jwt-sample.php" rel="noreferrer nofollow">', ' ↗</a>'],