@cwebber @alcinnz By the way:
> It’s difficult to keep track of which pages depend on which others and regenerate them correctly when they change.

To answer's Aaron question because I'm sure others will wonder: Typically the way is to use a Makefile or equivalent build-system, but I guess these days generating hundreds if not thousand of pages can be fast enough.
(Which reminds me that the slow part of my clobbered together website is compressing some big pages with brotli)