diff --git a/demo/index.html b/demo/index.html
index 9b0be948..8675b407 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -6,6 +6,12 @@
   <title>ReDoc Interactive Demo</title>
   <meta name="description" content="ReDoc Interactive Demo. OpenAPI/Swagger-generated API Reference Documentation" />
   <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <meta property="og:title" content="ReDoc Interactive Demo">
+  <meta property="og:description" content="ReDoc Interactive Demo. OpenAPI/Swagger-generated API Reference Documentation">
+  <meta property="og:image" content="https://user-images.githubusercontent.com/3975738/37729752-8a9ea38a-2d46-11e8-8438-42ed26bf1751.png">
+  <meta name="twitter:card" content="summary_large_image">
+
   <style>
     body {
       margin: 0;