diff --git a/internal/dl/tmpl.go b/internal/dl/tmpl.go
index 3a77b6a..6329eae 100644
--- a/internal/dl/tmpl.go
+++ b/internal/dl/tmpl.go
@@ -242,6 +242,66 @@
   });
 });
 </script>
+<script>
+(function () {
+  var cookieName = 'HaTS_BKT_DIST';
+  var inBucket;
+
+  var cookies = decodeURIComponent(document.cookie).split(';');
+
+  for (let i = 0; i < cookies.length; i++) {
+    var c = cookies[i];
+
+    while (c.charAt(0) == ' ') {
+      c = c.substring(1);
+    }
+
+    if (c.indexOf(cookieName + '=') == 0) {
+      inBucket = c.substring((cookieName + '=').length, c.length);
+    }
+  }
+
+  if (typeof inBucket === 'undefined') {
+    inBucket = String(Math.random() < 0.03);
+    document.cookie =
+      cookieName + '=' + inBucket + '; path=/; max-age=2592000;';
+  }
+
+  if (inBucket === 'true') {
+    var shouldPrompt = Math.random() < 0.1;
+    if (shouldPrompt) {
+      document.cookie = cookieName + '=false ; path=/; max-age=2592000;';
+
+      var tag = document.createElement('script');
+      tag.src =
+        'https://www.gstatic.com/feedback/js/help/prod/service/lazy.min.js';
+      tag.type = 'text/javascript';
+      document.head.appendChild(tag);
+
+      tag.onload = function () {
+        var helpApi = window.help.service.Lazy.create(0, {
+          apiKey: 'AIzaSyDfBPfajByU2G6RAjUf5sjkMSSLNTj7MMc',
+          locale: 'en-US',
+        });
+
+        helpApi.requestSurvey({
+          triggerId: 'dz6fkRxyz0njVvnD1rP0QxCXzhSX',
+          callback: function (requestSurveyCallbackParam) {
+            if (!requestSurveyCallbackParam.surveyData) {
+              return;
+            }
+            helpApi.presentSurvey({
+              surveyData: requestSurveyCallbackParam.surveyData,
+              colorScheme: 1, // light
+              customZIndex: 10000,
+            });
+          },
+        });
+      };
+    }
+  }
+})();
+</script>
 {{end}}
 
 {{define "releases"}}