Server islands to speed up web site

Another interesting framework call ed Server islands to improve web rendering speed

Youtube - Server Islands

Basic idea is to send the html part first which does not require any dynamic logic then send the part which requires dynamic logic such as Suspense in below example.

<main>
  <h1>Hello</h1>

  <Suspense callback = "loading...">
    <SlowComponent />
  </Suspense>

</main>