diff --git a/src/_includes/default.njk b/src/_includes/default.njk
index a540efe..7f2ef05 100644
--- a/src/_includes/default.njk
+++ b/src/_includes/default.njk
@@ -11,6 +11,19 @@
     <meta name="description" content="{{ metadata.description }}" />
     <meta name="generator" content="{{ eleventy.generator }}" />
 
+    <!-- Open Graph / Social Preview -->
+    <meta property="og:type" content="website" />
+    <meta property="og:site_name" content="{{ metadata.title }}" />
+    <meta property="og:title" content="{{ title or metadata.title }}" />
+    <meta property="og:description" content="{{ metadata.description }}" />
+    <meta property="og:image" content="{{ '/og-image.png' | url }}" />
+    <meta property="og:image:width" content="1200" />
+    <meta property="og:image:height" content="630" />
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="{{ title or metadata.title }}" />
+    <meta name="twitter:description" content="{{ metadata.description }}" />
+    <meta name="twitter:image" content="{{ '/og-image.png' | url }}" />
+
     <!-- Icons -->
     <!-- https://favicon.io/ -->
     <link
diff --git a/src/static/og-image.png b/src/static/og-image.png
new file mode 100644
index 0000000..b8a0b94
Binary files /dev/null and b/src/static/og-image.png differ