diff --git a/index.html b/index.html
index 8047c8d..eeb67e4 100644
--- a/index.html
+++ b/index.html
@@ -29,18 +29,6 @@
       subMaxLevel: 5, // Add table of contents (TOC) in custom sidebar.
       auto2top: true, // Scrolls to the top of the screen when the route is changed.
       mergeNavbar: true, // Navbar will be merged with the sidebar on smaller screens.
-      pagination: {
-        previousText: {
-          '/en/': 'PREV',
-          '/' : 'PREC'
-        },
-        nextText: {
-          '/en/': 'NEXT',
-          '/': 'SUIV'
-        },
-        crossChapter: true,
-        crossChapterText: true,
-      },
       latex: {
         inlineMath   : [['$', '$'], ['\\(', '\\)']], // default
         displayMath  : [['$$', '$$']],               // default
@@ -119,26 +107,24 @@
         skin: "classic",
         renderAsObject: false,
       },
+      count:{
+        position: 'bottom',
+        float: 'left',
+        isExpected: false
+      }
     };
   </script>
 
-  <!-- PWA -->
-  <script>
-    if (typeof navigator.serviceWorker !== 'undefined') {
-      navigator.serviceWorker.register('scripts/sw.js')
-    }
-  </script>
-
-  <!-- Docsify v4 -->
+  <!----- Docsify v4 ----->
   <script src="//cdn.jsdelivr.net/npm/docsify@4"></script>
 
-  <!-- Render PlantUML -->
+  <!----- Render PlantUML ----->
   <script src="//unpkg.com/docsify-puml/dist/docsify-puml.min.js"></script>
 
-  <!-- Render graph (UML/Mermaid/...) -->
+  <!----- Render graph (UML/Mermaid/...) ----->
   <script src="//unpkg.com/docsify-kroki"></script>
 
-  <!-- Mermaid (use this one for Light and Dark theme -->
+  <!----- Mermaid (use this one for Light and Dark theme ----->
   <script type="module">
     import mermaid from "https://cdn.jsdelivr.net/npm/mermaid@10/dist/mermaid.esm.min.mjs";
     mermaid.initialize({ startOnLoad: true });
@@ -146,20 +132,17 @@
   </script>
   <script src="//unpkg.com/docsify-mermaid@2.0.1/dist/docsify-mermaid.js"></script>
 
-  <!-- Copy code button -->
+  <!----- Copy code button ----->
   <script src="//cdn.jsdelivr.net/npm/docsify-copy-code/dist/docsify-copy-code.min.js"></script>
 
-  <!-- Pagination -->
-  <script src="//unpkg.com/docsify-pagination/dist/docsify-pagination.min.js"></script>
-
-  <!-- LateX -->
+  <!----- LateX ----->
   <script src="//cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
   <script src="//cdn.jsdelivr.net/npm/docsify-latex@0"></script>
 
-  <!-- Flexible alert -->
+  <!----- Flexible alert ----->
   <script src="https://unpkg.com/docsify-plugin-flexible-alerts"></script>
 
-  <!-- Code highlights -->
+  <!----- Code highlights ----->
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-armasm.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-matlab.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-c.js"></script>
@@ -168,17 +151,22 @@
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-xml.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-json.js"></script>
 
-  <!-- Dark Theme -->
+  <!----- Dark Theme ----->
   <script src="//cdn.jsdelivr.net/npm/docsify-darklight-theme@latest/dist/index.min.js"> </script>
 
-  <!-- docsify-select (latest v1.x.x) -->
+  <!----- docsify-select (latest v1.x.x) ----->
   <script src="https://cdn.jsdelivr.net/npm/docsify-select@1"></script>
 
-  <!-- Draw.io -->
+  <!----- Draw.io ----->
   <script src="scripts/viewer.min.js"></script>
   <script src='scripts/drawio.js'></script>
 
-  <!-- Glossary -->
+  <!----- Glossary ----->
   <script src="//unpkg.com/docsify-glossary/dist/docsify-glossary.min.js"></script>
+
+  <!----- Count word ----->
+  <script src="https://cdn.jsdelivr.net/npm/docsify-count@latest/dist/countable.min.js"></script>
+
+
 </body>
 </html>