diff --git a/404.html b/404.html
new file mode 100644
index 0000000..4111e46
--- /dev/null
+++ b/404.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
+<head>
+  <meta charset="utf-8" />
+  <meta name="generator" content="pandoc" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
+  <title>404</title>
+  <style>
+    h1 {
+      color: #005A9C;
+      font: 200% sans-serif;
+      text-align: center
+    }
+    body {
+      padding: 2em;
+      font-family: sans-serif;
+      text-align: center;
+    }
+  </style>
+</head>
+<body>
+  <h1 id="section">404</h1>
+  <p>We couldn’t find the page you are looking for.</p>
+  <p>Check out:</p>
+  <p>
+    <a href="https://nfdi4cat.github.io/voc4cat/"><img src="https://img.shields.io/static/v1?label=voc4cat&amp;message=index%20of%20pages&amp;color=green&amp;logo=github"   alt="voc4cat - index of pages" /></a>
+    <a href="https://github.com/nfdi4cat/voc4cat"><img src="https://img.shields.io/static/v1?label=voc4cat&amp;message=repository&amp;color=blue&amp;logo=github" alt="voc4cat - repository" /></a>
+  </p>
+  </body>
+</html>
