feature request: serve something meaningful to the wayback machine indexer

The Internet Archive’s wayback machine is one of the most important tools online, preserving the history of the web.

Currently Observable notebooks as indexed by the wayback machine are either completely blank pages or some kind of error page, based on the way notebooks are set up inside an iframe populated at runtime using client Javascript.

It would be awesome if you folks could instead serve them something including the content of a notebook, e.g. just the inside of the iframe without the Observable site chrome around it, or maybe a specially modified page that renders a notebook plus a simple header without needing the iframe.