Jenom piratske CDN

templates/shortcut.html.ep

 % layout 'default';
-<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
-<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
+<script src="https://cdn-cdnjs-cloudflare.pirati.cz/ajax/libs/Chart.js/4.2.1/chart.umd.min.js"></script>
+<script src="https://cdn-unpkg.pirati.cz/chartjs-adapter-date-fns@3.0.0/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
 
 <div id="App">
 <h1 class="head-base mb-8">Zkratka "{{ shortcut.shortcut }} ({{ shortcut.url }})"</h1>