diff --git a/404.html b/404.html
index 1cd4667..d72cbf8 100644
--- a/404.html
+++ b/404.html
@@ -24,6 +24,37 @@
     <link rel="icon" href="images/favicon.svg">
 
     <link rel="stylesheet" href="style.css">
+
+    <!-- Matomo -->
+    <script type="text/javascript">
+        var _paq = window._paq = window._paq || [];
+
+        _paq.push([function() {
+            var self = this;
+            function getOriginalVisitorCookieTimeout() {
+                var now = new Date(),
+                    nowTs = Math.round(now.getTime() / 1000),
+                    visitorInfo = self.getVisitorInfo();
+                var createTs = parseInt(visitorInfo[2]);
+                var cookieTimeout = 33696000; // 13 mois en secondes
+                var originalTimeout = createTs + cookieTimeout - nowTs;
+                return originalTimeout;
+            }
+            this.setVisitorCookieTimeout( getOriginalVisitorCookieTimeout() );
+        }]);
+        /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+        _paq.push(["setDomains", ["*.matt.marcha.pro","*.https//matthias.martin-chave.pro"]]);
+        _paq.push(['trackPageView']);
+        _paq.push(['enableLinkTracking']);
+        (function() {
+            var u="//stats.marcha.pro/";
+            _paq.push(['setTrackerUrl', u+'matomo.php']);
+            _paq.push(['setSiteId', '3']);
+            var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+            g.type='text/javascript'; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+        })();
+    </script>
+    <!-- End Matomo Code -->
 </head>
 <body>
 <header class="err404">
diff --git a/index.html b/index.html
index 2d85ba7..e14ce17 100755
--- a/index.html
+++ b/index.html
@@ -24,6 +24,37 @@
     <link rel="icon" href="images/favicon.svg">
 
     <link rel="stylesheet" href="style.css">
+
+    <!-- Matomo -->
+    <script type="text/javascript">
+        var _paq = window._paq = window._paq || [];
+
+        _paq.push([function() {
+            var self = this;
+            function getOriginalVisitorCookieTimeout() {
+                var now = new Date(),
+                    nowTs = Math.round(now.getTime() / 1000),
+                    visitorInfo = self.getVisitorInfo();
+                var createTs = parseInt(visitorInfo[2]);
+                var cookieTimeout = 33696000; // 13 mois en secondes
+                var originalTimeout = createTs + cookieTimeout - nowTs;
+                return originalTimeout;
+            }
+            this.setVisitorCookieTimeout( getOriginalVisitorCookieTimeout() );
+        }]);
+        /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+        _paq.push(["setDomains", ["*.matt.marcha.pro","*.https//matthias.martin-chave.pro"]]);
+        _paq.push(['trackPageView']);
+        _paq.push(['enableLinkTracking']);
+        (function() {
+            var u="//stats.marcha.pro/";
+            _paq.push(['setTrackerUrl', u+'matomo.php']);
+            _paq.push(['setSiteId', '3']);
+            var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+            g.type='text/javascript'; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+        })();
+    </script>
+    <!-- End Matomo Code -->
 </head>
 <body>
     <main>