Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
> The image by itself seems to work:
> https://www.postgresql.org/docs/13/pagelayout.svg
Yeah, and the image also renders fine for me in a local build
of the docs, showing that it's something specific to the
www.postgresql.org site.
> The Firefox inspector however sheds some light on it:
> Content Security Policy: The page’s settings blocked the loading of a resource at
> https://www.postgresql.org/docs/13/storage-page-layout.html (“frame-ancestors”).
Looks like a smoking gun ...
regards, tom lane
