diff --git a/index.html b/index.html
index cac8cdc..7e630ec 100644
--- a/index.html
+++ b/index.html
@@ -2,6 +2,15 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/strict.dtd">
 <html xmlns="http://www.w3.org/TR/xhtml1/strict" >
  <head>
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-FHK9N3Z2N1"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', 'G-FHK9N3Z2N1');
+</script>
   <title>Simulador de Aerogeneradores y Parques Eólicos (SAPE), CSC-CONICET</title>
   <script type="importmap">
   {
diff --git a/queens.html b/queens.html
index 7321b46..629bc7b 100644
--- a/queens.html
+++ b/queens.html
@@ -1,4 +1,5 @@
 <script>
+// Based on: https://stackoverflow.com/questions/75486408/n-queens-problem-using-backtracking-in-javascript
    function nQueen(boolArrBoard,row){
        if(row === boolArrBoard.length){
            display(boolArrBoard)
@@ -79,7 +80,7 @@ function shuffle(array) {
 }
 
 var indexes;
-function generar() {
+function generate() {
    let n = 10
    let boolArrBoard = Array.from({length: n}, () => {
        return new Array(n).fill(false)
@@ -90,7 +91,7 @@ function generar() {
 }
 </script>
 <pre id="solution"></pre>
-<button onclick="generar()">¡Generar!</button>
+<button onclick="generate()">¡Generar!</button>
 <script>
-generar();
+generate();
 </script>
