diff --git a/app/env_config.py b/app/env_config.py
index 11d4429..cd9a79b 100644
--- a/app/env_config.py
+++ b/app/env_config.py
@@ -79,9 +79,23 @@ if match:
 else:
     wh_masked_url = "[Invalid webhook URL]"
 
-# HTTP headers - minimal
+# HTTP headers - Firefox working set
 HEADERS = {
-    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36"
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0",
+    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
+    "Accept-Language": "fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3",
+    "Accept-Encoding": "gzip, deflate, br, zstd",
+    "Cache-Control": "no-cache",
+    "Pragma": "no-cache", 
+    "Sec-GPC": "1",
+    "Connection": "keep-alive",
+    "Upgrade-Insecure-Requests": "1",
+    "Sec-Fetch-Dest": "document",
+    "Sec-Fetch-Mode": "navigate",
+    "Sec-Fetch-Site": "none",
+    "Sec-Fetch-User": "?1",
+    "Priority": "u=0, i",
+    "TE": "trailers"
 }
 
 # Load country setting and localization config
diff --git a/app/gpu_checker.py b/app/gpu_checker.py
index 2ed5a7e..9bce01d 100644
--- a/app/gpu_checker.py
+++ b/app/gpu_checker.py
@@ -22,6 +22,14 @@ first_run_dict = {name: True for name in PRODUCT_NAMES}
 def check_rtx_50_founders():
     global last_sku_dict, global_stock_status_dict, first_run_dict
 
+    # First get Akamai cookie by visiting main site
+    try:
+        logging.info("Getting Akamai protection cookie...")
+        session.get("https://marketplace.nvidia.com/fr-fr/consumer/graphics-cards/", timeout=10)
+        time.sleep(1)  # Let the session establish
+    except Exception as e:
+        logging.warning(f"Failed to get initial cookie: {e}")
+
     # Fetching nvidia API data
     try:
         sku_url = API_URL_SKU