diff --git a/docs/site/_layouts/page.html b/docs/site/_layouts/page.html
index 01c2cc7fbe2..d8976da6256 100644
--- a/docs/site/_layouts/page.html
+++ b/docs/site/_layouts/page.html
@@ -32,6 +32,7 @@
 	</footer>
 	<!-- workaround for cloudflare content-type issue -->
 	<script src="/assets/vendor/vue.global.prod.js"></script>
+	<script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/5.0.0/anchor.min.js" integrity="sha512-byAcNWVEzFfu+tZItctr+WIMUJvpzT2kokkqcBq+VsrM3OrC5Aj9E2gh+hHpU0XNA3wDmX4sDbV5/nkhvTrj4w==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 	<script src="/assets/js/cldrsite.js"></script>
 </body>
 
diff --git a/docs/site/assets/js/cldrsite.js b/docs/site/assets/js/cldrsite.js
index 8f27ecb9545..a93e610782c 100644
--- a/docs/site/assets/js/cldrsite.js
+++ b/docs/site/assets/js/cldrsite.js
@@ -258,3 +258,6 @@ const app = Vue.createApp(
 // });
 
 app.mount("#nav");
+
+// load anchor.js
+anchors.add("h1, h2, h3, h4, h5, h6, caption, dfn");