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How does hydration work in frameworks like Next.js or Remix?

Asked on Nov 02, 2025

Answer

Hydration in frameworks like Next.js and Remix refers to the process of converting a server-rendered HTML page into a fully interactive client-side application. This involves attaching event listeners and restoring the application state to enable dynamic behavior after the initial static HTML is loaded.

Example Concept: Hydration is the process where JavaScript frameworks take over a server-rendered HTML page to make it interactive. Initially, the server sends a static HTML page to the client, which is quickly displayed to the user. Once the JavaScript bundle loads, it "hydrates" the static HTML by attaching event listeners and restoring any necessary state, allowing the page to become fully interactive and behave like a single-page application (SPA).

Additional Comment:

Hydration improves perceived performance by allowing content to be visible quickly while JavaScript loads.
Next.js and Remix use hydration to balance SEO benefits of server-rendering with the dynamic capabilities of SPAs.
Developers should ensure that the server-rendered HTML matches the client-side render to avoid hydration errors.

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Ask any question about Web Development here... and get an instant response.

How does hydration work in frameworks like Next.js or Remix?

Asked on Nov 02, 2025

Answer

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