FrontendHigh signalEmergingAround since 2020

Islands Architecture

Also written as Partial Hydration, Partial Prerendering

Rendering a page as static HTML and hydrating only the interactive regions, so a mostly-static page doesn't pay for a full JavaScript app.

Think of it like

A printed newspaper with a few embedded screens, rather than making the entire page a screen.

Junior or senior?

A genuine performance-thinking signal. Usually appears alongside Core Web Vitals work rather than on its own.

Ask them

“What did splitting the page into static and interactive parts do to your load metrics?”