diff --git a/www/errorpage.html b/www/errorpage.html
new file mode 100644
index 000000000..0724ce406
--- /dev/null
+++ b/www/errorpage.html
@@ -0,0 +1,19 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<html><head>
+<title>404 Not Found</title>
+</head><body>
+<h1>Not Found</h1>
+<p>The requested URL was not found on this server.</p>
+<p>Note that this server was set up recently and does not contain any
+OpenStack content published before October 2016. Historic
+documentation content
+is available from <a href="http://developer.openstack.org/">the
+archived developer.openstack.org site</a>.
+<!-- Note: This above URL needs changing once we switch over
+ to the new site -->
+<p>In case you find missing content, feel free
+to <a href="https://bugs.launchpad.net/openstack-api-site/+filebug">report
+a bug</a>.
+<p>Go back to the <a href="/">main OpenStack developer site.</p>
+</body>
+</html>
