diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 6cef9bbd..3793ac78 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -14,7 +14,7 @@
= stylesheet_link_tag 'application', media: 'all',
'data-turbolinks-track' => true
= javascript_include_tag 'application', 'data-turbolinks-track' => true,
- type: 'text/javascript'
+ type: 'text/javascript', defer: true, async: true
= csrf_meta_tags
- classes = [request.domain ? request.domain.split('.')[0] : '',