React Minimal

Server Components + Streaming SSR (React 19)

React 19 Server Components with Streaming SSR. Watch how content streams progressively as data becomes available.

Users (10)

Leanne Graham
Sincere@april.biz
Ervin Howell
Shanna@melissa.tv
Clementine Bauch
Nathan@yesenia.net
Patricia Lebsack
Julianne.OConner@kory.org
Chelsey Dietrich
Lucio_Hettinger@annie.ca
... and 5 more

Recent Posts (100)

sunt aut facere repellat provident occaecati excepturi optio reprehenderit
quia et suscipit suscipit recusandae consequuntur expedita et cum reprehenderit molestiae ut ut quas totam nostrum rerum est autem sunt rem eveniet architecto
qui est esse
est rerum tempore vitae sequi sint nihil reprehenderit dolor beatae ea dolores neque fugiat blanditiis voluptate porro vel nihil molestiae ut reiciendis qui aperiam non debitis possimus qui neque nisi nulla
ea molestias quasi exercitationem repellat qui ipsa sit aut
et iusto sed quo iure voluptatem occaecati omnis eligendi aut ad voluptatem doloribus vel accusantium quis pariatur molestiae porro eius odio et labore et velit aut
... and 97 more

• Server Components run on the server, not sent to client

• async components with await for data fetching

• Streaming SSR shows content as it becomes available

• Different Suspense boundaries stream independently

• Notice how Users load first (1s), then User Posts (1.5s)

Server-Client Promise Streaming with use Hook (React 19)

Post Content (Renders Immediately)

sunt aut facere repellat provident occaecati excepturi optio reprehenderit

quia et suscipit suscipit recusandae consequuntur expedita et cum reprehenderit molestiae ut ut quas totam nostrum rerum est autem sunt rem eveniet architecto

By User 1 • 2025-10-20

Comments (Streams After 2s)

Comments (5)

id labore ex et quam laborum
laudantium enim quasi est quidem magnam voluptate ipsam eos tempora quo necessitatibus dolor quam autem quasi reiciendis et nam sapiente accusantium
2025-10-20
quo vero reiciendis velit similique earum
est natus enim nihil est dolore omnis voluptatem numquam et omnis occaecati quod ullam at voluptatem error expedita pariatur nihil sint nostrum voluptatem reiciendis et
2025-10-20
odio adipisci rerum aut animi
quia molestiae reprehenderit quasi aspernatur aut expedita occaecati aliquam eveniet laudantium omnis quibusdam delectus saepe quia accusamus maiores nam est cum et ducimus et vero voluptates excepturi deleniti ratione
2025-10-20
... and 2 more comments

• Post content awaited on server → renders immediately

• Comments promise started on server → passed to client

• Client Component uses use hook → suspends until ready

• This pattern enables streaming without blocking critical content

useId Hook for Accessibility (React 18+)

Basic useId Usage

Each PasswordField component gets a unique ID, even when rendered multiple times:

The password should contain at least 8 characters

The password should contain at least 8 characters

Multiple Related Elements

Single useId() call with string concatenation for related form elements:

ARIA Relationships

useId ensures proper accessibility relationships between form controls and descriptions:

You'll receive email updates about new features and important announcements.

Key Benefits:

  • • Prevents ID conflicts in multiple component instances
  • • Server-side rendering compatible
  • • Essential for proper accessibility
  • • More efficient than manual ID generation