diff --git a/public/index.html b/public/index.html
index 8174444..8608b98 100644
--- a/public/index.html
+++ b/public/index.html
@@ -33,6 +33,7 @@
     <meta name="twitter:image" content="images/logo_transparent_512x512.png">
     <meta property="og:image" content="images/logo_transparent_512x512.png">
     <!-- Resources -->
+    <link rel="preload" href="lang/en.json" as="fetch">
     <link rel="stylesheet" type="text/css" href="styles.css">
     <link rel="manifest" href="manifest.json">
 </head>
diff --git a/public_included_ws_fallback/index.html b/public_included_ws_fallback/index.html
index e0b7eb1..cea46d4 100644
--- a/public_included_ws_fallback/index.html
+++ b/public_included_ws_fallback/index.html
@@ -33,6 +33,7 @@
     <meta name="twitter:image" content="images/logo_transparent_512x512.png">
     <meta property="og:image" content="images/logo_transparent_512x512.png">
     <!-- Resources -->
+    <link rel="preload" href="lang/en.json" as="fetch">
     <link rel="stylesheet" type="text/css" href="styles.css">
     <link rel="manifest" href="manifest.json">
 </head>