diff --git a/_config.yml b/_config.yml
index 57cbdc4bdb..bf703f71fb 100644
--- a/_config.yml
+++ b/_config.yml
@@ -517,6 +517,11 @@ math:
 # To install 3.x: https://github.com/theme-next/theme-next-fancybox3
 fancybox: false
 
+# A JavaScript library for zooming images like Medium.
+# Do not enable both `fancybox` and `mediumzoom`.
+# Dependencies: https://github.com/theme-next/theme-next-mediumzoom
+mediumzoom: false
+
 # Polyfill to remove click delays on browsers with touch UIs.
 # Dependencies: https://github.com/theme-next/theme-next-fastclick
 fastclick: false
@@ -1005,6 +1010,12 @@ vendors:
   fancybox:
   fancybox_css:
 
+  # Internal version: 1.0.4
+  # See: https://github.com/francoischalifour/medium-zoom
+  # Example:
+  # mediumzoom: //cdn.jsdelivr.net/npm/medium-zoom@1/dist/medium-zoom.min.js
+  mediumzoom:
+
   # Internal version: 1.0.6
   # See: https://github.com/ftlabs/fastclick
   # Example:
diff --git a/layout/_partials/head/head.swig b/layout/_partials/head/head.swig
index fa6ed20f00..ff0527eb25 100644
--- a/layout/_partials/head/head.swig
+++ b/layout/_partials/head/head.swig
@@ -98,6 +98,7 @@
     back2top: {{ theme.back2top | json_encode }},
     copycode: {{ theme.codeblock.copy_button | json_encode }},
     fancybox: {{ theme.fancybox }},
+    mediumzoom: {{ theme.mediumzoom }},
     fastclick: {{ theme.fastclick }},
     lazyload: {{ theme.lazyload }},
     tabs: {{ theme.tabs.enable }},
diff --git a/layout/_scripts/vendors.swig b/layout/_scripts/vendors.swig
index 42ae238061..e2fe9a7aff 100644
--- a/layout/_scripts/vendors.swig
+++ b/layout/_scripts/vendors.swig
@@ -27,6 +27,10 @@
   {% set js_vendors.fancybox = 'fancybox/source/jquery.fancybox.pack.js' %}
 {% endif %}
 
+{% if theme.mediumzoom %}
+  {% set js_vendors.mediumzoom = 'mediumzoom/medium-zoom.min.js' %}
+{% endif %}
+
 {% if theme.canvas_nest.enable %}
   {% if theme.canvas_nest.onmobile %}
     {% set canvas_nest_uri = url_for(theme.vendors._internal + '/canvas-nest/canvas-nest.min.js') %}
diff --git a/source/js/next-boot.js b/source/js/next-boot.js
index 28ecca10e2..ca83cc85ea 100644
--- a/source/js/next-boot.js
+++ b/source/js/next-boot.js
@@ -7,7 +7,7 @@ $(document).ready(function() {
    * Need to add config option in Front-End at 'layout/_partials/head.swig' file.
    */
   CONFIG.fastclick && NexT.utils.isMobile() && window.FastClick.attach(document.body);
-  CONFIG.lazyload && NexT.utils.lazyLoadPostsImages();
+  CONFIG.lazyload && window.lozad('.post-body img').observe();
 
   NexT.utils.registerESCKeyEvent();
 
@@ -27,6 +27,7 @@ $(document).ready(function() {
   });
 
   CONFIG.fancybox && NexT.utils.wrapImageWithFancyBox();
+  CONFIG.mediumzoom && window.mediumZoom('.post-body img');
   CONFIG.copycode.enable && NexT.utils.registerCopyCode();
   CONFIG.tabs && NexT.utils.registerTabsTag();
 
diff --git a/source/js/utils.js b/source/js/utils.js
index 1628145ce3..c4e2aeae3d 100644
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -3,7 +3,7 @@
 NexT.utils = {
 
   /**
-   * Wrap images with fancybox support.
+   * Wrap images with fancybox.
    */
   wrapImageWithFancyBox: function() {
     $('.content img')
@@ -45,10 +45,6 @@ NexT.utils = {
     });
   },
 
-  lazyLoadPostsImages: function() {
-    lozad('.content img').observe();
-  },
-
   /**
    * One-click copy code support.
    */