Earlier quoted context omitted.
I understand where you're coming from, but I came from 90s webdev. The gift of aysnc requests was the one true credit I give MS for their contribution to moving the web forward (even if it might have been self-serving). The fact that we no longer had to do full screen refreshes to update one part of the page was glorious. It helped allow the deprecation of frames. However, just like all good things, people decided if…
This goes back to the distinction between web pages/documents (deliver immutable server-side content once, up front) and web apps (lots of back and forth with mutable data on the server). A news website should never be anything except pages , even with interactive content, but it seems almost nobody can resist the urge to treat everything like an app .
Then clients say your app is fast and responsive but what they really mean is that we've not built an obese chimera.