It's just a choice the developer needs to make. It's a pretty straightforward choice too, if the page is just static content, make it static. The ones that do e

It's just a choice the developer needs to make. It's a pretty straightforward choice too, if the page is just static content, make it static. The ones that do everything at build time don't let you build a site that can be interactive or dynamic when it needs to be unless you hack JavaScript into it. It's a lot simpler to just use a tool that supports both use cases.