There are frameworks that let you apply changes locally and (optimistically) instantly update the ui and asynchronously update server state. That is a win.
On the other hand, I have seen implementations of spa “pages” that move from a single fetch of html to multiple round trips of dependent API calls, ballooning latency.
On the other hand, I have seen implementations of spa “pages” that move from a single fetch of html to multiple round trips of dependent API calls, ballooning latency.