diff --git a/apps/marketing/index.html b/apps/marketing/index.html
index b4d8f3d6..88eb7d52 100644
--- a/apps/marketing/index.html
+++ b/apps/marketing/index.html
@@ -44,6 +44,18 @@
         } catch (e) {}
       })();
     </script>
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="https://www.partha.uk/" />
+    <meta property="og:title" content="PARTHA — Repository intelligence" />
+    <meta property="og:description" content="Evidence from sealed repository snapshots. Run PARTHA on your own installation." />
+    <meta property="og:image" content="https://www.partha.uk/social-preview.png" />
+    <meta property="og:image:width" content="1200" />
+    <meta property="og:image:height" content="630" />
+    <meta property="og:image:alt" content="PARTHA repository intelligence: source, facts and evidence." />
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="PARTHA — Repository intelligence" />
+    <meta name="twitter:description" content="Evidence from sealed repository snapshots. Run on your own installation." />
+    <meta name="twitter:image" content="https://www.partha.uk/social-preview.png" />
   </head>
   <body>
     <div id="root"></div>
diff --git a/apps/marketing/public/social-preview.png b/apps/marketing/public/social-preview.png
new file mode 100644
index 00000000..24fb40c7
Binary files /dev/null and b/apps/marketing/public/social-preview.png differ
diff --git a/apps/marketing/public/social-preview.svg b/apps/marketing/public/social-preview.svg
new file mode 100644
index 00000000..c5a9a964
--- /dev/null
+++ b/apps/marketing/public/social-preview.svg
@@ -0,0 +1,7 @@
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+<g font-family="Arial, sans-serif" fill="#25231f"><text x="166" y="145" font-size="52" letter-spacing="8">PARTHA</text><text x="92" y="265" font-size="54" font-weight="700">Repository</text><text x="92" y="330" font-size="54" font-weight="700">intelligence</text><text x="94" y="402" font-size="25">Evidence from sealed snapshots</text><text x="94" y="450" font-size="22" fill="#6a6359">Run on your own installation</text><text x="94" y="529" font-size="23" fill="#ae430c">www.partha.uk</text></g>
+<g stroke="#ff5b13" stroke-width="4" fill="none"><path d="M830 215v80h-120v115M830 295h175v115M710 440h295"/></g>
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+</svg>
\ No newline at end of file