diff --git a/server/routes-seo.js b/server/routes-seo.js
index 9d5cb09..ff5a2f4 100644
--- a/server/routes-seo.js
+++ b/server/routes-seo.js
@@ -4,6 +4,17 @@ import { loadFeedback } from './feedback-store.js';
 
 const SITE_URL = 'https://www.ypchat.net';
 const DEFAULT_IMAGE = `${SITE_URL}/static/favicon.png`;
+const SEO_LOCALES = [
+  { code: 'de', label: 'Deutsch' },
+  { code: 'en', label: 'English' },
+  { code: 'fr', label: 'Francais' },
+  { code: 'es', label: 'Espanol' },
+  { code: 'it', label: 'Italiano' },
+  { code: 'ja', label: 'Japanese' },
+  { code: 'zh', label: 'Chinese' },
+  { code: 'th', label: 'Thai' },
+  { code: 'tl', label: 'Tagalog' }
+];
 
 const seoData = {
   '/': {
@@ -212,6 +223,45 @@ function upsertJsonLd(html, schema) {
   return html.replace('</head>', `  ${tag}\n</head>`);
 }
 
+function sanitizeLocalizedHtml(input = '') {
+  return String(input)
+    .replace(/<script[\s\S]*?>[\s\S]*?<\/script>/gi, '')
+    .trim();
+}
+
+function buildMultilingualSeoContent(__dirname) {
+  const localesDir = join(__dirname, '../client/src/i18n/locales');
+  const blocks = [];
+
+  for (const locale of SEO_LOCALES) {
+    const filePath = join(localesDir, `${locale.code}.json`);
+    if (!existsSync(filePath)) continue;
+
+    try {
+      const parsed = JSON.parse(readFileSync(filePath, 'utf-8'));
+      const welcome = sanitizeLocalizedHtml(parsed.welcome || '');
+      const intro = sanitizeLocalizedHtml(parsed.introduction || '');
+      if (!welcome && !intro) continue;
+
+      blocks.push(`<section lang="${escapeHtml(locale.code)}" style="margin-bottom:20px;">
+  <h2 style="font:600 22px/1.2 sans-serif;color:#18201b;margin:0 0 10px;">${escapeHtml(locale.label)}</h2>
+  ${welcome}
+  ${intro}
+</section>`);
+    } catch (error) {
+      console.warn(`[SEO] Locale konnte nicht gelesen werden (${locale.code}): ${error.message}`);
+    }
+  }
+
+  if (blocks.length === 0) return '';
+
+  return `<section style="max-width:960px;margin:24px auto;padding:0 16px;">
+  <h2 style="font:600 28px/1.15 sans-serif;color:#18201b;margin:0 0 12px;">Mehrsprachige Inhalte</h2>
+  <p style="font:400 15px/1.5 sans-serif;color:#4f5d54;margin:0 0 18px;">Diese Texte sind serverseitig eingebettet, damit Suchmaschinen die Inhalte in allen verfügbaren Sprachen direkt erfassen können.</p>
+  ${blocks.join('\n')}
+</section>`;
+}
+
 function generateHTML(route, meta, __dirname) {
   const distIndexPath = join(__dirname, '../docroot/dist/index.html');
 
@@ -244,6 +294,13 @@ function generateHTML(route, meta, __dirname) {
   html = upsertLinkTag(html, 'canonical', meta.ogUrl);
   html = upsertJsonLd(html, meta.schema);
 
+  if (route === '/') {
+    const multilingual = buildMultilingualSeoContent(__dirname);
+    if (multilingual) {
+      html = html.replace('<div id="app"></div>', `<div id="app">${multilingual}</div>`);
+    }
+  }
+
   if (route === '/feedback') {
     const feedbackItems = loadFeedback(__dirname)
       .sort((a, b) => new Date(b.createdAt) - new Date(a.createdAt))