diff --git a/apis_core/core/templates/base.html b/apis_core/core/templates/base.html
index 3643f7bbf..03017a5b3 100644
--- a/apis_core/core/templates/base.html
+++ b/apis_core/core/templates/base.html
@@ -58,20 +58,26 @@
     {% endblock styles %}
 
     {% block scriptHeader %}
-      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"
+              defer></script>
       {# Bootstrap 4.6.2 bundle (without jQuery) #}
       {# see https://getbootstrap.com/docs/4.6/getting-started/introduction/ #}
       <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"
               integrity="sha384-Fy6S3B9q64WdZWQUiU+q4/2Lc9npb8tCaSX9FK7E8HnRr0Jz8D6OP9dO5Vg3Q9ct"
-              crossorigin="anonymous"></script>
-      <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-multiselect/0.9.15/js/bootstrap-multiselect.min.js"></script>
-      <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.4/leaflet.js"></script>
-      <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.5/js/select2.full.min.js"></script>
+              crossorigin="anonymous"
+              defer></script>
+      <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-multiselect/0.9.15/js/bootstrap-multiselect.min.js"
+              defer></script>
+      <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.3.4/leaflet.js"
+              defer></script>
+      <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.5/js/select2.full.min.js"
+              defer></script>
       <script src="https://unpkg.com/htmx.org@1.9.10"
               integrity="sha384-D1Kt99CQMDuVetoL1lrYwg5t+9QdHe7NLX/SoJYkXDFfX37iInKRy5xLSi8nO7UC"
-              crossorigin="anonymous"></script>
-      <script src="{% static "js/core.js" %}"></script>
-      <script src="{% static 'js/E53_Place_popover.js' %}"></script>
+              crossorigin="anonymous"
+              defer></script>
+      <script src="{% static "js/core.js" %}" defer></script>
+      <script src="{% static 'js/E53_Place_popover.js' %}" defer></script>
     {% endblock %}
 
   </head>