diff --git a/includes/simple-cache.php b/includes/simple-cache.php
index a3245f0..897adf2 100644
--- a/includes/simple-cache.php
+++ b/includes/simple-cache.php
@@ -100,11 +100,20 @@ function callPeerTubeApiCached($endpoint, $params = []) {
     // TTL selon le type de contenu
     $ttlMap = [
         'videos/categories' => 3600, // 1 heure
-        'videos' => 300,             // 5 minutes
-        'search/videos' => 600       // 10 minutes
+        'videos' => 600,             // 10 minutes (augmenté)
+        'search/videos' => 600,      // 10 minutes
+        'wp-posts' => 900,           // 15 minutes pour WordPress
+        'accounts' => 300            // 5 minutes pour live streams
     ];
     
-    $ttl = $ttlMap[$endpoint] ?? 300;
+    // TTL dynamique selon l'endpoint
+    $ttl = 300; // Défaut 5 minutes
+    foreach ($ttlMap as $pattern => $time) {
+        if (strpos($endpoint, $pattern) !== false) {
+            $ttl = $time;
+            break;
+        }
+    }
     
     // Essayer le cache d'abord
     $cached = $cache->get($endpoint, $params);
@@ -123,6 +132,34 @@ function callPeerTubeApiCached($endpoint, $params = []) {
     return $data;
 }
 
+/**
+ * Cache générique pour tout type d'API
+ */
+function callApiCached($cacheKey, $callable, $ttl = 900) {
+    $cache = $GLOBALS['simple_api_cache'];
+    
+    // Essayer le cache d'abord
+    $cached = $cache->get($cacheKey, []);
+    if ($cached !== null) {
+        return $cached;
+    }
+    
+    // Appeler la fonction fournie
+    try {
+        $data = call_user_func($callable);
+    } catch (Exception $e) {
+        error_log('API call failed for ' . $cacheKey . ': ' . $e->getMessage());
+        return [];
+    }
+    
+    // Mettre en cache si on a des données
+    if (!empty($data)) {
+        $cache->set($cacheKey, [], $data, $ttl);
+    }
+    
+    return $data;
+}
+
 // Nettoyage automatique occasionnel
 if (rand(1, 100) === 1) {
     $GLOBALS['simple_api_cache']->cleanup();
diff --git a/includes/wordpress.php b/includes/wordpress.php
index aba2d06..e122dd9 100644
--- a/includes/wordpress.php
+++ b/includes/wordpress.php
@@ -122,13 +122,16 @@ function getWordPressPosts($count = null) {
         $count = defined('WORDPRESS_POSTS_COUNT') ? WORDPRESS_POSTS_COUNT : 6;
     }
 
-    // Récupérer les posts via l'API WordPress REST
-    $posts = callWordPressApi('posts', [
-        'per_page' => $count,
-        '_embed' => 'true' // Inclure les médias embarqués (featured image)
-    ]);
+    // Utiliser le cache pour les posts WordPress
+    return callApiCached('wp-posts-' . $count, function() use ($count) {
+        // Récupérer les posts via l'API WordPress REST
+        $posts = callWordPressApi('posts', [
+            'per_page' => $count,
+            '_embed' => 'true' // Inclure les médias embarqués (featured image)
+        ]);
 
-    return formatWordPressPosts($posts);
+        return formatWordPressPosts($posts);
+    }, 900); // 15 minutes de cache
 }
 
 /**