diff --git a/lib/private/Route/CachingRouter.php b/lib/private/Route/CachingRouter.php
index 7dd26827d3c..9ceb08b61e2 100644
--- a/lib/private/Route/CachingRouter.php
+++ b/lib/private/Route/CachingRouter.php
@@ -15,6 +15,7 @@ use OCP\IConfig;
 use OCP\IRequest;
 use Psr\Container\ContainerInterface;
 use Psr\Log\LoggerInterface;
+use Symfony\Component\Routing\RouteCollection;
 
 class CachingRouter extends Router {
 	protected ICache $cache;
@@ -54,4 +55,62 @@ class CachingRouter extends Router {
 			return $url;
 		}
 	}
+
+	private function serializeRouteCollection(RouteCollection $collection): array {
+		return array_map(
+			fn (Route $route) => [$route->getPath(), $route->getDefaults(), $route->getRequirements(), $route->getOptions(), $route->getHost(), $route->getSchemes(), $route->getMethods(), $route->getCondition()],
+			$collection->all(),
+		);
+	}
+
+	private function unserializeRouteCollection(array $data): RouteCollection {
+		$collection = new RouteCollection();
+		foreach ($data as $name => $details) {
+			$route = new Route(...$details);
+			$collection->add($name, $route);
+		}
+		return $collection;
+	}
+
+	/**
+	 * Loads the routes
+	 *
+	 * @param null|string $app
+	 */
+	public function loadRoutes($app = null): void {
+		$this->eventLogger->start('cacheroute:load:' . $app, 'Loading Routes (using cache) for ' . $app);
+		if (is_string($app)) {
+			$app = $this->appManager->cleanAppId($app);
+		}
+
+		$requestedApp = $app;
+		if ($this->loaded) {
+			$this->eventLogger->end('cacheroute:load:' . $app);
+			return;
+		}
+		if (is_null($app)) {
+			$cachedRoutes = $this->cache->get('root:');
+			if ($cachedRoutes) {
+				$this->root = $this->unserializeRouteCollection($cachedRoutes);
+				$this->loaded = true;
+				$this->eventLogger->end('cacheroute:load:' . $app);
+				return;
+			}
+		} else {
+			if (isset($this->loadedApps[$app])) {
+				$this->eventLogger->end('cacheroute:load:' . $app);
+				return;
+			}
+			$cachedRoutes = $this->cache->get('root:' . $requestedApp);
+			if ($cachedRoutes) {
+				$this->root = $this->unserializeRouteCollection($cachedRoutes);
+				$this->loadedApps[$app] = true;
+				$this->eventLogger->end('cacheroute:load:' . $app);
+				return;
+			}
+		}
+		parent::loadRoutes($app);
+		$this->cache->set('root:' . $requestedApp, $this->serializeRouteCollection($this->root), 3600);
+		$this->eventLogger->end('cacheroute:load:' . $app);
+	}
 }