diff --git a/_includes/head.html b/_includes/head.html
index e8a7f34..fb5bd34 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -75,10 +75,8 @@
     <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/syntax.css">
   {% endif %}
 
-
   <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"
     integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
-
   <script>
     document.jQuery || document.write("<script src=\"{{ site.baseurl }}/assets/lib/jquery-3.4.1.min.js\"><\/script>");
   </script>
@@ -89,8 +87,6 @@
   <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/js/bootstrap.min.js"
     integrity="sha256-5+02zu5UULQkO7w1GIr6vftCgMfFdZcAHeDtFnKZsBs=" crossorigin="anonymous" async></script>
 
-  <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lozad/dist/lozad.min.js"></script>
-
   <script src="{{ site.baseurl }}/assets/js/dist/commons.js" async></script>
 
   {% if page.layout == 'home' or page.layout == 'post' %}
diff --git a/_includes/lozad.html b/_includes/lozad.html
new file mode 100644
index 0000000..179deb8
--- /dev/null
+++ b/_includes/lozad.html
@@ -0,0 +1,7 @@
+<!-- image lazy load -->
+<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lozad/dist/lozad.min.js"></script>
+
+<script type="text/javascript">
+  const observer = lozad();
+  observer.observe();
+</script>
\ No newline at end of file
diff --git a/_layouts/post.html b/_layouts/post.html
index cf4688b..a86d864 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -118,8 +118,4 @@ layout: default
 
 </div> <!-- .row -->
 
-<!-- image lazy load -->
-<script type="text/javascript">
-  const observer = lozad();
-  observer.observe();
-</script>
+{% include lozad.html %}