Could you please let us know what error message is there if you press F12 >> Console?
<html manifest="https://www.steintor-news.de/templates/manifests/manifest.php?ver=550" data-lt-installed="true"><head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/data.php?version=913b343069b2d9aa5181ea4f907b5fb0"></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/auth.php?uid=122&version=913b343069b2d9aa5181ea4f907b5fb0"></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/templates.php?version=913b343069b2d9aa5181ea4f907b5fb0&postId="></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/DataProvider.js?version=913b343069b2d9aa5181ea4f907b5fb0"></script>
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<body>
</body>
> Could you please let us know what error message is there if you press F12 >> Console?
<html manifest="https://www.steintor-news.de/templates/manifests/manifest.php?ver=550" data-lt-installed="true"><head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/data.php?version=913b343069b2d9aa5181ea4f907b5fb0"></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/auth.php?uid=122&version=913b343069b2d9aa5181ea4f907b5fb0"></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/templates.php?version=913b343069b2d9aa5181ea4f907b5fb0&postId="></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/DataProvider.js?version=913b343069b2d9aa5181ea4f907b5fb0"></script>
<script type="text/javascript" src="https://www.steintor-news.de/templates/steintor/app/start/loader.js?version=913b343069b2d9aa5181ea4f907b5fb0"></script>
<body>
</body>