diff --git a/certification.html b/certification.html
new file mode 100644
index 0000000..6536fe9
--- /dev/null
+++ b/certification.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8" />
+<meta name="viewport" content="width=device-width, initial-scale=1" />
+<title>Certification — schema.org app</title>
+<link rel="stylesheet" href="./app.css" />
+</head>
+<body>
+<!-- JSON-LD data island -->
+<script type="application/ld+json" id="data">
+{
+  "@context": "https://schema.org",
+  "@type": "Certification",
+  "name": "AWS Certified Solutions Architect – Associate",
+  "image": "https://picsum.photos/seed/aws-cert/600/400",
+  "description": "Validates expertise in designing distributed systems on AWS, including compute, networking, storage, and database services. Covers high-availability architectures, cost-optimization, and security best practices.",
+  "issuedBy": "Amazon Web Services (AWS)",
+  "datePublished": "2024-03-15",
+  "expires": "2027-03-15",
+  "identifier": "AWS-CSA-2024-7A3F9E2D",
+  "url": "https://aws.amazon.com/certification/certified-solutions-architect-associate/"
+}
+</script>
+
+<main id="app"></main>
+
+<!-- per-type config: this is the ONLY thing that changes between apps -->
+<script>
+  window.APP = {
+    type: "Certification",
+    titleProp: "name",
+    icon: "\u{1F4DC}",
+    accent: "#0e7490",
+    fields: [
+      { prop: "name",          label: "Name",           type: "text" },
+      { prop: "image",         label: "Image",          type: "image" },
+      { prop: "description",   label: "Description",    type: "textarea" },
+      { prop: "issuedBy",      label: "Issued by",      type: "text" },
+      { prop: "datePublished", label: "Date published", type: "text" },
+      { prop: "expires",       label: "Expires",        type: "text" },
+      { prop: "identifier",    label: "Identifier",     type: "text" },
+      { prop: "url",           label: "Website",        type: "url" },
+    ],
+  };
+</script>
+<script src="./app.js"></script>
+</body>
+</html>
