FrontendAround since 2018

Suspense

Also written as Streaming SSR, Concurrent Rendering

A React feature that lets part of a page show a loading state while the rest renders, instead of blocking the whole screen on the slowest piece of data.

Think of it like

Serving the starters while the main course is still cooking, rather than holding everything until the slowest dish is ready.

Junior or senior?

Junior sounds like

Has used a loading boundary.

Senior sounds like

Talks about waterfalls — the nested-fetch problem Suspense is meant to solve and can quietly make worse.

Ask them

“How did you avoid request waterfalls when data fetching was nested?”