diff --git a/index.html b/index.html
index fbdca4ad..8da8f86a 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <link rel="canonical" href="https://demo.dynamsoft.com/Samples/DBR/JS/index.html">
     <link rel="stylesheet" href="balloon.min.css">
     <!-- Used for tooltip styling -->
     <title>Dynamsoft Barcode Reader Samples</title>
@@ -372,4 +373,4 @@ <h3>Barcode Reader Samples</h3>
     }
 </script>
 
-</html>
\ No newline at end of file
+</html>
