You probably heard the word partial hydration or hydration at a conference or read it on Stackoverflow or blog sites. But what are hydration and partial hydration? How important is it to know these two concepts in web development? Let’s find out.

Partial hydration (a.k.a. Islands Architecture) is a technique that allows web developers to build sites using their preferred framework (React, Svelte, Vue, etc.). Still, it only sends generated HTML and CSS to the browser by default. Where dynamic functionality is desired, components can be “hydrated” to become interactive.

I will teach you how this architecture works and when it makes sense in this presentation.