diff --git a/_includes/metadata.html b/_includes/metadata.html
index b8b79de..414c9f3 100644
--- a/_includes/metadata.html
+++ b/_includes/metadata.html
@@ -10,4 +10,12 @@
 <meta property="og:title" content="{{ page.title }}" />
 <meta property="og:description" content="{{ page.description }}" />
 
+<!-- twitter -->
+<meta name="twitter:card" content="{{ site.title }}" />
+<meta name="twitter:url" content="{{ site.url}}" />
+<meta name="twitter:type" content="website" />
+<meta name="twitter:image" content="{{ site.baseurl }}/assets/repo-preview.png" />
+<meta name="twitter:title" content="{{ page.title }}" />
+<meta name="twitter:description" content="{{ page.description }}" />
+
 <link rel="icon" href="{{ site.baseurl }}/favicon.png">
\ No newline at end of file