diff --git a/website/templates/index.html b/website/templates/index.html
index 6300c850..913dabcd 100644
--- a/website/templates/index.html
+++ b/website/templates/index.html
@@ -13,17 +13,17 @@
 <body>
   <div id="app">正在载入 CS-Notes…</div>
   <noscript>请启用 JavaScript 阅读网站，或访问 <a href="https://github.com/CyC2018/CS-Notes">GitHub 仓库</a>。</noscript>
-  <script src="/search-paths.js"></script>
-  <script src="/site.js"></script>
-  <script src="/search.js"></script>
-  <script src="/vendor/docsify.min.js"></script>
-  <script src="/vendor/docsify-copy-code.min.js"></script>
-  <script src="/vendor/zoom-image.min.js"></script>
-  <script src="/vendor/prism-bash.min.js"></script>
-  <script src="/vendor/prism-c.min.js"></script>
-  <script src="/vendor/prism-java.min.js"></script>
-  <script src="/vendor/prism-sql.min.js"></script>
-  <script src="/vendor/prism-python.min.js"></script>
-  <script src="/vendor/prism-json.min.js"></script>
+  <script src="/search-paths.js" defer></script>
+  <script src="/site.js" defer></script>
+  <script src="/search.js" defer></script>
+  <script src="/vendor/docsify.min.js" defer></script>
+  <script src="/vendor/docsify-copy-code.min.js" defer></script>
+  <script src="/vendor/zoom-image.min.js" defer></script>
+  <script src="/vendor/prism-bash.min.js" defer></script>
+  <script src="/vendor/prism-c.min.js" defer></script>
+  <script src="/vendor/prism-java.min.js" defer></script>
+  <script src="/vendor/prism-sql.min.js" defer></script>
+  <script src="/vendor/prism-python.min.js" defer></script>
+  <script src="/vendor/prism-json.min.js" defer></script>
 </body>
 </html>