diff --git a/web-system/web.yaml b/web-system/web.yaml
index 13e14ca..cefa295 100644
--- a/web-system/web.yaml
+++ b/web-system/web.yaml
@@ -415,6 +415,9 @@ data:
             location / {
                 try_files $uri $uri/ $uri.html =404;
                 
+                # Prevent search engine indexing
+                add_header X-Robots-Tag "noindex, nofollow, noarchive" always;
+
                 # Directory listing disabled for security
                 # Uncomment below if you want to browse directories
                 # autoindex on;