A lot of BDUI screens feel slow for the same reason:
the client waits for the full payload,
parses a heavy response synchronously,
and shows nothing useful until everything is “ready.”
That is the wrong order.
A faster approach is simple:
stream the response,
parse incrementally,
render progressively,
and let the user interact before every detail arrives.
Less spinner.
More meaning.
Much earlier.
https://javascript.plainenglish.io/why-your-bdui-is-slow-and-how-to-fix-it-in-2025-57b7a936199b
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