+{% include 'notebox_begin' %}
+Whether you choose to serve collections from their own subdomain or from a single domain, it's important to keep in mind that they should be served from me same _site_ as Workbench for the inline previews to work.
+
+Please check "keep-web's URL pattern guide":../api/keep-web-urls.html#same-site to learn more.
+{% include 'notebox_end' %}
+