My initial thought was that the title was referring to web archive services like the Wayback Machine or archive.is , but the actual topic was equally relevant.

My initial thought was that the title was referring to web archive services like the Wayback Machine or archive.is , but the actual topic was equally relevant. I think time travel should work as long as all content is archived / checked in: no reliance on external services (is this the definition of "static site"?)