diff --git a/public/index.php b/public/index.php
index 549b156..78ae56b 100644
--- a/public/index.php
+++ b/public/index.php
@@ -2551,17 +2551,30 @@ switch ($action) {
             }
             require_once BASE_PATH . '/src/AccessLogParser.php';
             require_once BASE_PATH . '/src/AsnLookup.php';
-            $accessParser = new AccessLogParser('/var/log/apache2', apacheAccessLog());
-            $accessStats  = $accessParser->stats();
-            $adminData['stats_readable'] = $accessParser->isReadable();
-            $adminData['stats_pages']    = array_slice($accessStats['pages'], 0, 30, true);
-            $adminData['stats_books']    = array_slice($accessStats['books'], 0, 20, true);
-            // Lookup AS pour les top 200 IPs
-            $topIps  = array_slice($accessStats['ips'], 0, 200, true);
-            $asnMap  = (new AsnLookup())->batchLookup(array_keys($topIps));
-            $asList  = AsnLookup::aggregateByAs($topIps, $asnMap);
-            $adminData['stats_as']       = $asList;
-            $adminData['stats_as_groups'] = AsnLookup::applyGroups($asList, asGroups());
+
+            $statsCacheFile = DATA_PATH . '/.stats_cache.json';
+            $statsRaw       = null;
+            if (file_exists($statsCacheFile) && (time() - filemtime($statsCacheFile)) < 60) {
+                $statsRaw = json_decode((string) file_get_contents($statsCacheFile), true) ?: null;
+            }
+            if ($statsRaw === null) {
+                $accessParser = new AccessLogParser('/var/log/apache2', apacheAccessLog());
+                $accessStats  = $accessParser->stats();
+                $topIps       = array_slice($accessStats['ips'], 0, 200, true);
+                $asnMap       = (new AsnLookup())->batchLookup(array_keys($topIps));
+                $statsRaw = [
+                    'readable'   => $accessParser->isReadable(),
+                    'pages'      => array_slice($accessStats['pages'], 0, 30, true),
+                    'books'      => array_slice($accessStats['books'], 0, 20, true),
+                    'as'         => AsnLookup::aggregateByAs($topIps, $asnMap),
+                ];
+                @file_put_contents($statsCacheFile, json_encode($statsRaw));
+            }
+            $adminData['stats_readable']  = $statsRaw['readable'];
+            $adminData['stats_pages']     = $statsRaw['pages'];
+            $adminData['stats_books']     = $statsRaw['books'];
+            $adminData['stats_as']        = $statsRaw['as'];
+            $adminData['stats_as_groups'] = AsnLookup::applyGroups($statsRaw['as'], asGroups());
             $adminData['as_groups']       = asGroups();
         }