diff --git a/index.html b/index.html
index 62540c5..70f2da0 100755
--- a/index.html
+++ b/index.html
@@ -9,10 +9,27 @@
     <title>Comandos Git - Aprenda Git do básico ao avançado</title>
     <link href="favicon.ico" rel="shortcut icon" type="image/x-icon">
     <meta name="author" content="Rafael Corrêa Gomes">
-    <meta name="robots" content="nofollow" />
     <meta name="description" content="Comandos Git, aprenda Git do básico ao avançado com tutorial para Windows, Mac e Linux (Ubuntu) usando as principais ferramentas como GitHub, BitBucket e GitLab">
-    <meta name="keywords" content="git branch, git commit, git remote, comandos git, github, git merge, windows, mac, bitbucket, git, linux, ubuntu, debian, controle de verão, git add, git pull, git push, git remote">
+    <meta name="keywords" content="git branch, git commit, git remote, comandos git, github, git merge, windows, mac, bitbucket, git, linux, ubuntu, debian, controle de versão, git add, git pull, git push, git remote">
     <link rel="canonical" href="https://comandosgit.github.io/">
+    
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://comandosgit.github.io/">
+    <meta property="og:title" content="Comandos Git - Aprenda Git do básico ao avançado">
+    <meta property="og:description" content="Comandos Git, aprenda Git do básico ao avançado com tutorial para Windows, Mac e Linux (Ubuntu) usando as principais ferramentas como GitHub, BitBucket e GitLab">
+    <meta property="og:image" content="https://comandosgit.github.io/img/comandos-git.png">
+    <meta property="og:locale" content="pt_BR">
+    
+    <!-- Twitter -->
+    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:url" content="https://comandosgit.github.io/">
+    <meta property="twitter:title" content="Comandos Git - Aprenda Git do básico ao avançado">
+    <meta property="twitter:description" content="Comandos Git, aprenda Git do básico ao avançado com tutorial para Windows, Mac e Linux (Ubuntu) usando as principais ferramentas como GitHub, BitBucket e GitLab">
+    <meta property="twitter:image" content="https://comandosgit.github.io/img/comandos-git.png">
+    
+    <!-- Theme Color for Mobile Browsers -->
+    <meta name="theme-color" content="#ffffff">
     <!-- Latest compiled and minified CSS -->
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
     <!-- Optional theme -->
@@ -25,6 +42,27 @@
     <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
     <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
     <![endif]-->
+    <!-- JSON-LD Structured Data -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "WebSite",
+      "name": "Comandos Git",
+      "url": "https://comandosgit.github.io/",
+      "description": "Comandos Git, aprenda Git do básico ao avançado com tutorial para Windows, Mac e Linux (Ubuntu) usando as principais ferramentas como GitHub, BitBucket e GitLab",
+      "inLanguage": "pt-BR",
+      "author": {
+        "@type": "Person",
+        "name": "Rafael Corrêa Gomes"
+      },
+      "publisher": {
+        "@type": "Organization",
+        "name": "Comandos Git",
+        "url": "https://comandosgit.github.io/"
+      }
+    }
+    </script>
+    
     <!-- Google Tag Manager -->
 <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
 new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
diff --git a/robots.txt b/robots.txt
index eee2f0c..da5d8db 100644
--- a/robots.txt
+++ b/robots.txt
@@ -1,2 +1,2 @@
 User-agent: *
-Sitemap: http://comandosgit.github.io/sitemap.xml
\ No newline at end of file
+Sitemap: https://comandosgit.github.io/sitemap.xml
\ No newline at end of file
diff --git a/sitemap.xml b/sitemap.xml
index 57dea17..1335523 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -7,8 +7,9 @@
 <!-- created with Free Online Sitemap Generator www.xml-sitemaps.com -->
 
 <url>
-  <loc>http://comandosgit.github.io/</loc>
-  <lastmod>2014-08-13T03:21:49+00:00</lastmod>
+  <loc>https://comandosgit.github.io/</loc>
+  <lastmod>2025-11-20T23:17:00+00:00</lastmod>
   <changefreq>monthly</changefreq>
+  <priority>1.0</priority>
 </url>
 </urlset>
\ No newline at end of file