sitepress-server/rails/app/views/site/not_found.html.erb
<h2>Available resources</h2>
<table>
<thead>
<th>Request path</th>
<th>Asset path</th>
<th>Mime type</th>
</thead>
<tbody>
<% site.resources.each do |resource| %>
<tr>
<td><%= link_to resource.request_path, resource.request_path %></td>
<td><%= resource.asset.path %></td>
<td><%= resource.asset.mime_type %></td>
</tr>
<% end %>
</tbody>
</table>