diff --git a/config/prod/settings.php b/config/prod/settings.php
index 8850176..abc7963 100644
--- a/config/prod/settings.php
+++ b/config/prod/settings.php
@@ -15,3 +15,7 @@
         // Beispiel-Key (unbedingt in Staging durch sicheren Wert ersetzen, 32 Byte, base64)
         putenv('DATA_KEY=base64:TSLBgK39KnwqMGT+ytJ+O8FwpVm+99VYZwi97TeloBw=');
     }
+// Matomo Einstellungen
+define('MATOMO_URL', 'https://matomo.my-statistics.info/');
+define('MATOMO_ENABLED', false);
+define('MATOMO_SITE_ID', 2);
\ No newline at end of file
diff --git a/config/staging/settings.php b/config/staging/settings.php
index bf87868..9feaeee 100644
--- a/config/staging/settings.php
+++ b/config/staging/settings.php
@@ -13,5 +13,10 @@
     // Bitte in Staging per Hosting-ENV setzen; dieses putenv dient nur als Fallback/Beispiel.
     if (getenv('DATA_KEY') === false) {
         // Beispiel-Key (unbedingt in Staging durch sicheren Wert ersetzen, 32 Byte, base64)
-        putenv('DATA_KEY=base64:FIanxMlz5/bn7Oyqv57BXVcFelqHV9qj3hkiTDyerls=');
+        putenv('D
+        ATA_KEY=base64:FIanxMlz5/bn7Oyqv57BXVcFelqHV9qj3hkiTDyerls=');
     }
+// Matomo Einstellungen
+define('MATOMO_URL', 'https://matomo.my-statistics.info/');
+define('MATOMO_ENABLED', false);
+define('MATOMO_SITE_ID', 3);
diff --git a/partials/structure/layout_start.php b/partials/structure/layout_start.php
index 8d8c348..3da3cda 100644
--- a/partials/structure/layout_start.php
+++ b/partials/structure/layout_start.php
@@ -38,6 +38,7 @@ if ($debugEnabled) {
   <?php asset_scripts('header'); ?>
 </head>
 <body data-auth="<?= isset($_SESSION['user_id']) ? '1' : '0' ?>" data-child-gender="<?= htmlspecialchars($childGender, ENT_QUOTES) ?>">
+<?php tpl('matomo', 'structure'); ?>
 <?php tpl('nav', 'structure'); ?>
 
 <?php if ($debugEnabled): ?>
diff --git a/partials/structure/matomo.php b/partials/structure/matomo.php
new file mode 100644
index 0000000..b8fdb20
--- /dev/null
+++ b/partials/structure/matomo.php
@@ -0,0 +1,39 @@
+<?php if (!defined('MATOMO_SITE_ID')) return; ?>
+<?php if (!defined('MATOMO_ENABLED') || !MATOMO_ENABLED) return; ?>
+<?php
+$matomoDomains = [];
+$primaryDomain   = app_primary_domain();
+$fakecheckDomain = app_fakecheck_domain();
+
+$matomoDomains[] = '*.' . $primaryDomain;
+$matomoDomains[] = '*.' . $fakecheckDomain;
+$matomoDomains[] = '*.' . $primaryDomain . '/fakecheck';
+?>
+
+<!-- Matomo -->
+<script>
+    var _paq = window._paq = window._paq || [];
+    _paq.push(["setDomains", <?= json_encode($matomoDomains, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) ?>]);
+    _paq.push(['trackPageView']);
+    _paq.push(['enableLinkTracking']);
+
+    (function() {
+        var u = "<?= rtrim(MATOMO_URL, '/') ?>/";
+        _paq.push(['setTrackerUrl', u + 'matomo.php']);
+        _paq.push(['setSiteId', '<?= MATOMO_SITE_ID ?>']);
+
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.async=true;
+        g.src=u + 'matomo.js';
+        s.parentNode.insertBefore(g,s);
+    })();
+</script>
+
+<noscript>
+    <p>
+        <img referrerpolicy="no-referrer-when-downgrade"
+             src="<?= rtrim(MATOMO_URL,'/') ?>/matomo.php?idsite=<?= MATOMO_SITE_ID ?>&amp;rec=1"
+             style="border:0;" alt="" />
+    </p>
+</noscript>
+<!-- End Matomo -->
