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Refresh will empty the server-side cache, but will not reload your component client side. Take a look at DataRevalidator from Tim Neutkens "Deep Dive" post, it shows another similar way to get fresh data client-side after a server revalidation, when the page is focused (in this article, I use polling instead so it gets data every X seconds): github.com/vercel/next.js/discussions/54075

Well yes, in the post you link Tim says exactly the same. He just sets up a "refresher" function that calls router.refresh() in an interval/timeout/on focus. There is no data loading from the client. Calling refresh will reload your component if the data changed server side (make sure you disable/invalidate cache). Alternatively, you could set up a server action that calls e.g. revalidateTag("preorder"); this will both revalidate the server cache and send the updated data in one roundtrip.