Add video

frontend/src/index.tsx

@@ -1,6 +1,6 @@
 import { createRoot, hydrateRoot } from 'react-dom/client';
 import App from './App';
-import './i18n';
+import { INITIAL_LANGUAGE, i18nReady } from './i18n';
 import './index.css';
 import './hooks/usePlausible';
 
@@ -8,9 +8,21 @@ const container = document.getElementById('root');
 if (!container) {
   throw new Error('Root element not found');
 }
+const root = container;
 
-if (container.children.length > 0) {
-  hydrateRoot(container, <App />);
-} else {
-  createRoot(container).render(<App />);
+function renderApp() {
+  const hasPrerenderedMarkup = root.children.length > 0;
+
+  if (hasPrerenderedMarkup && INITIAL_LANGUAGE === 'en') {
+    hydrateRoot(root, <App />);
+    return;
+  }
+
+  if (hasPrerenderedMarkup) {
+    root.textContent = '';
+  }
+
+  createRoot(root).render(<App />);
 }
+
+void i18nReady.then(renderApp);