CDN server kollertslavomir.cz

Bootstrap

4.3.1 production
CSS: <link rel="stylesheet" href="https://cdn.kollertslavomir.cz/bootstrap/4.3.1/css/bootstrap.min.css">
JS: <script src="https://cdn.kollertslavomir.cz/bootstrap/4.3.1/js/bootstrap.min.js"></script>

jQuery

3.6.0 production
JS: <script src="https://cdn.kollertslavomir.cz/jquery/jquery-3.6.0.js"></script>