diff --git a/index.html b/index.html
index 5627bb0..7c71307 100644
--- a/index.html
+++ b/index.html
@@ -30,17 +30,18 @@
     <script>
       var _paq = (window._paq = window._paq || []);
       /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+      _paq.push(["setExcludedQueryParams", ["simulationId", "_csrf"]]);
       _paq.push(["trackPageView"]);
       _paq.push(["enableLinkTracking"]);
       (function () {
         var u = "https://stats.data.gouv.fr/";
-        _paq.push(["setTrackerUrl", u + "piwik.php"]);
+        _paq.push(["setTrackerUrl", u + "matomo.php"]);
         _paq.push(["setSiteId", "286"]);
         var d = document,
           g = d.createElement("script"),
           s = d.getElementsByTagName("script")[0];
         g.async = true;
-        g.src = u + "piwik.js";
+        g.src = u + "matomo.js";
         s.parentNode.insertBefore(g, s);
       })();
     </script>