--- Classes/Http/ResourcePusher_orig.php	2023-11-27 10:14:47.691052925 +0100
+++ Classes/Http/ResourcePusher.php	2023-11-27 10:14:57.031101099 +0100
@@ -49,6 +49,6 @@
 
     protected function addPreloadHeaderToResponse(ResponseInterface $response, string $uri, string $type): ResponseInterface
     {
-        return $response->withAddedHeader('Link', '<' . htmlspecialchars(PathUtility::getAbsoluteWebPath($uri)) . '>; rel=preload; as=' . $type);
+        return $response->withAddedHeader('Link', '<' . htmlspecialchars(PathUtility::getAbsoluteWebPath($uri)) . '>; crossorigin=anonymous rel=preload; as=' . $type);
     }
 }
