diff --git a/configs/merchant-landing/README.md b/configs/merchant-landing/README.md
index c7fe9ee..479febd 100644
--- a/configs/merchant-landing/README.md
+++ b/configs/merchant-landing/README.md
@@ -17,6 +17,7 @@ Static intro for the **GOA merchant** backend (dual currency GOA + CHF).
 | Wallet fold | Collapsed “Get the wallet · Android / iOS / web browsers” |
 | Web icons | Chrome · Firefox · Opera · Ubuntu Touch (gold+blue; [taler.net wallet](https://www.taler.net/de/wallet.html)) |
 | GOA shop samples | `data-product` buttons → public template pay (`goa-shop` instance) |
+| Link previews | Open Graph / Twitter meta → `og-goa-shop.png` (1200×630) for chats & social |
 | Shop pay popup | `shop-pay.js` / `shop-pay.css` — **QR_Taler** (blue ring + `qr-logo.svg`), settlement payto expandable |
 | Get GOA first | Hint + link to bank; `p(l)ay` with violet `(l)` |
 | Stats | Dual-currency aggregates; **recent activity** split GOA/CHF (≤5 each); refund badge violet |
@@ -31,6 +32,8 @@ Shop product ids/amounts must stay in sync with
 ```bash
 podman cp configs/merchant-landing/index.html \
   taler-hacktivism:/var/www/merchant-landing/index.html
+podman cp configs/merchant-landing/og-goa-shop.png \
+  taler-hacktivism:/var/www/merchant-landing/og-goa-shop.png
 podman cp configs/merchant-landing/shop-pay.js \
   taler-hacktivism:/var/www/merchant-landing/shop-pay.js
 # shop-pay.css, qr-logo.svg, qrcode.min.js as needed
diff --git a/configs/merchant-landing/index.html b/configs/merchant-landing/index.html
index fc10ab6..b53dd5b 100644
--- a/configs/merchant-landing/index.html
+++ b/configs/merchant-landing/index.html
@@ -4,6 +4,25 @@
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <title>GOA Merchant · dual currency</title>
+  <meta name="description" content="GOA merchant dual currency · sample shop products, pay with GNU Taler (GOA / CHF demo)." />
+  <link rel="canonical" href="https://taler.hacktivism.ch/intro/" />
+  <meta property="og:type" content="website" />
+  <meta property="og:site_name" content="hacktivism.ch · GOA" />
+  <meta property="og:locale" content="en_US" />
+  <meta property="og:title" content="GOA Merchant · dual currency" />
+  <meta property="og:description" content="Sample GOA shop products and dual-currency merchant flow — pay with GNU Taler." />
+  <meta property="og:url" content="https://taler.hacktivism.ch/intro/" />
+  <meta property="og:image" content="https://taler.hacktivism.ch/intro/og-goa-shop.png" />
+  <meta property="og:image:secure_url" content="https://taler.hacktivism.ch/intro/og-goa-shop.png" />
+  <meta property="og:image:type" content="image/png" />
+  <meta property="og:image:width" content="1200" />
+  <meta property="og:image:height" content="630" />
+  <meta property="og:image:alt" content="GOA shop product samples — pay with GNU Taler" />
+  <meta name="twitter:card" content="summary_large_image" />
+  <meta name="twitter:title" content="GOA Merchant · dual currency" />
+  <meta name="twitter:description" content="Sample GOA shop products and dual-currency merchant flow — pay with GNU Taler." />
+  <meta name="twitter:image" content="https://taler.hacktivism.ch/intro/og-goa-shop.png" />
+  <meta name="twitter:image:alt" content="GOA shop product samples — pay with GNU Taler" />
   <base href="/intro/" />
   <link rel="stylesheet" href="/intro/shop-pay.css" />
   <script src="/intro/qrcode.min.js"></script>
diff --git a/configs/merchant-landing/og-goa-shop.png b/configs/merchant-landing/og-goa-shop.png
new file mode 100644
index 0000000..2192398
Binary files /dev/null and b/configs/merchant-landing/og-goa-shop.png differ