diff --git a/demo.html b/demo.html
index 254c463..1038578 100644
--- a/demo.html
+++ b/demo.html
@@ -125,6 +125,21 @@
         integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS"
         crossorigin="anonymous"></script>
 
+<script type="application/ld+json">
+{
+  "@context": "http://schema.org/",
+  "@type": "SoftwareSourceCode",
+  "name": "diff2html",
+  "author": "Rodrigo Fernandes",
+  "image": "https://diff2html.rtfpessoa.xyz/img/snapshot-3.png",
+  "description": "Diff parser and pretty html generator.",
+  "codeRepository": "https://github.com/rtfpessoa/diff2html",
+  "programmingLanguage": "JavaScript",
+  "runtimePlatform": "Node >= 0.12",
+  "mainEntityOfPage": "https://diff2html.rtfpessoa.xyz/"
+}
+</script>
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.4.0/highlight.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.4.0/languages/scala.min.js"></script>
 
@@ -390,16 +405,5 @@
     });
 </script>
 
-<script>
-    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-                (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-            m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-    })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
-
-    ga('create', 'UA-78351861-1', 'auto');
-    ga('send', 'pageview');
-
-</script>
-
 </body>
 </html>
\ No newline at end of file
diff --git a/index.html b/index.html
index e67ab98..dfd85d2 100644
--- a/index.html
+++ b/index.html
@@ -363,22 +363,26 @@
         integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS"
         crossorigin="anonymous"></script>
 
+<script type="application/ld+json">
+{
+  "@context": "http://schema.org/",
+  "@type": "SoftwareSourceCode",
+  "name": "diff2html",
+  "author": "Rodrigo Fernandes",
+  "image": "https://diff2html.rtfpessoa.xyz/img/snapshot-3.png",
+  "description": "Diff parser and pretty html generator.",
+  "codeRepository": "https://github.com/rtfpessoa/diff2html",
+  "programmingLanguage": "JavaScript",
+  "runtimePlatform": "Node >= 0.12",
+  "mainEntityOfPage": "https://diff2html.rtfpessoa.xyz/"
+}
+</script>
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.5.10/clipboard.min.js"></script>
 
 <script>
     new Clipboard(document.getElementsByClassName("btn-clipboard"));
 </script>
 
-<script>
-    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-                (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-            m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-    })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
-
-    ga('create', 'UA-78351861-1', 'auto');
-    ga('send', 'pageview');
-
-</script>
-
 </body>
 </html>
\ No newline at end of file
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 0000000..4f9540b
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1 @@
+User-agent: *
\ No newline at end of file
diff --git a/sitemap.xml b/sitemap.xml
new file mode 100644
index 0000000..67ceda4
--- /dev/null
+++ b/sitemap.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset
+        xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
+            http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
+    <url>
+        <loc>https://diff2html.rtfpessoa.xyz/</loc>
+    </url>
+    <url>
+        <loc>https://diff2html.rtfpessoa.xyz/index.html</loc>
+    </url>
+    <url>
+        <loc>https://diff2html.rtfpessoa.xyz/demo.html</loc>
+    </url>
+</urlset>
\ No newline at end of file
diff --git a/src/templates/template.mustache b/src/templates/template.mustache
index d844cf6..8868633 100644
--- a/src/templates/template.mustache
+++ b/src/templates/template.mustache
@@ -115,20 +115,24 @@
         integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS"
         crossorigin="anonymous"></script>
 
+<script type="application/ld+json">
+{
+  "@context": "http://schema.org/",
+  "@type": "SoftwareSourceCode",
+  "name": "diff2html",
+  "author": "Rodrigo Fernandes",
+  "image": "https://diff2html.rtfpessoa.xyz/img/snapshot-3.png",
+  "description": "Diff parser and pretty html generator.",
+  "codeRepository": "https://github.com/rtfpessoa/diff2html",
+  "programmingLanguage": "JavaScript",
+  "runtimePlatform": "Node >= 0.12",
+  "mainEntityOfPage": "https://diff2html.rtfpessoa.xyz/"
+}
+</script>
+
 {{#scripts}}
 {{{scripts}}}
 
-<script>
-    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-                (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-            m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-    })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
-
-    ga('create', 'UA-78351861-1', 'auto');
-    ga('send', 'pageview');
-
-</script>
-
 {{/scripts}}
 </body>
 </html>
\ No newline at end of file