While elm-pages v2 was focused on static site generation, elm-pages v3 is a hybrid framework, giving you all the same static site generation features from v2, but with a whole new set of use cases opened up with server-rendered routes. page 
, github , site , docs , blog
Up to and including v2, elm-pages was a static site generator. There was only one mode, rendering your pages at build time. ⇒ elm-pages v3
Getting Started page