diff --git a/src/index.html b/src/index.html
index 5a54560c2dbbb25445d51effeaac030b0078e023..56ca0ada6d668162853889d3f81ef9949e3eee1d 100644
--- a/src/index.html
+++ b/src/index.html
@@ -22,5 +22,34 @@
<body>
<dlcm-root></dlcm-root>
<noscript>Please enable JavaScript to continue using this application.</noscript>
+<script>
+ // alert("Utiliser navigateur décent")
+ var ua = window.navigator.userAgent;
+
+ var browserUnnsuported;
+ var msie = ua.indexOf('MSIE ');
+ if (msie > -1) {
+ // IE 10 or older => return version number
+ browserUnnsuported = "Internet Explorer " + parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
+ }
+
+ var trident = ua.indexOf('Trident/');
+ if (trident > -1) {
+ // IE 11 => return version number
+ var rv = ua.indexOf('rv:');
+ browserUnnsuported = "Internet Explorer " + parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
+ }
+
+ var edge = ua.indexOf('Edge/');
+ if (edge > -1) {
+ // Edge (IE 12+) => return version number
+ browserUnnsuported = "Edge " + parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
+ }
+
+ if (browserUnnsuported) {
+ alert("Your browser " + browserUnnsuported + " is not supported by this application.\nPlease use a browser more recent like Chrome or Firefox.");
+ document.body.style.display = "none";
+ }
+</script>
</body>
</html>