diff --git a/index.php b/index.php
index 7db2710..16d001b 100644
--- a/index.php
+++ b/index.php
@@ -15,14 +15,65 @@ require_once __DIR__ . '/includes/lib/server_status.php';
 require_once __DIR__ . '/includes/lib/view_helpers.php';
 
 // ── Serverstatus ─────────────────────────────────────────────────────────
-// Wichtig für Performance: Beim initialen Rendern NICHT blockierend live prüfen.
-// Die Badges starten als „Unbekannt“ und werden clientseitig über /server_status.php aktualisiert.
+// Performance: Beim ersten Rendern sofort antworten (=> Unbekannt).
+// Nach ~1s lädt die Seite einmal neu mit ?status=1 und rendert dann serverseitig Online/Offline.
+$shouldComputeStatus = isset($_GET['status']) && $_GET['status'] === '1';
+
 $serverStatusByUrl = [];
+if ($shouldComputeStatus) {
+    $cacheTtlSeconds = 30;
+    $cacheKey = 'server_status_v5';
+    $cacheFile = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $cacheKey . '.json';
+
+    $serverStatus = null;
+    if (is_file($cacheFile)) {
+        $raw = @file_get_contents($cacheFile);
+        if ($raw !== false) {
+            $decoded = json_decode($raw, true);
+            if (is_array($decoded) && isset($decoded['ts'], $decoded['data']) && is_array($decoded['data'])) {
+                $age = time() - (int)$decoded['ts'];
+                if ($age >= 0 && $age <= $cacheTtlSeconds) {
+                    $serverStatus = $decoded['data'];
+                }
+            }
+        }
+    }
+
+    if (!is_array($serverStatus)) {
+        $serverStatus = build_server_status($serverStatusTargets);
+        @file_put_contents($cacheFile, json_encode(['ts' => time(), 'data' => $serverStatus], JSON_UNESCAPED_SLASHES));
+    }
+
+    foreach ($serverStatus as $svc) {
+        if (!empty($svc['url']) && is_string($svc['url'])) {
+            $serverStatusByUrl[$svc['url']] = $svc;
+        }
+    }
+}
 
 require __DIR__ . '/includes/views/layout_head.php';
 require __DIR__ . '/includes/views/header.php';
 ?>
 
+<?php if (!$shouldComputeStatus): ?>
+<script>
+    // Einmaliger Reload nach ~1 Sekunde, um dann serverseitig den Status zu laden.
+    setTimeout(function () {
+        try {
+            const url = new URL(window.location.href);
+            if (url.searchParams.get('status') === '1') return;
+            url.searchParams.set('status', '1');
+            window.location.replace(url.toString());
+        } catch (e) {
+            // Fallback
+            if (window.location.search.indexOf('status=1') === -1) {
+                window.location.replace(window.location.pathname + '?status=1');
+            }
+        }
+    }, 1000);
+</script>
+<?php endif; ?>
+
 <main>
     <?php foreach ($projects as $category => $items): ?>
         <?php require __DIR__ . '/includes/views/projects_section.php'; ?>