diff --git a/change-check.html b/change-check.html
index 847bf6a..05e9bb5 100644
--- a/change-check.html
+++ b/change-check.html
@@ -21,6 +21,11 @@
 <meta property="og:title" content="The Change Check — is your team above or below the line?">
 <meta property="og:description" content="A 2-minute team check for manufacturers navigating change. Find out where your team sits, and what to do next.">
 <meta property="og:url" content="https://www.opencommunications.consulting/change-check.html">
+<meta property="og:image" content="https://www.opencommunications.consulting/assets/og-card.png?v=20260708">
+<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:image" content="https://www.opencommunications.consulting/assets/og-card.png?v=20260708">
 <style>
   /* ---- Change Check: scoped quiz UI, OC palette ---- */
   .cc-wrap { max-width: 760px; }