# Streamline SSR app development with FirebaseServerApp

DevFeed: [Streamline SSR app development with FirebaseServerApp](<https://devfeed.tech/articles/streamline-ssr-app-development-with-firebaseserverapp-16545.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2024/05/firebase-serverapp-ssr>)

Author: David Della Bitta

Published: 2024-05-24T00:00:00Z

Content type: tutorial

Language: en

Sources: [Firebase Blog](<https://devfeed.tech/sources/firebase-blog.md>)

Topics: [Firebase](<https://devfeed.tech/topics/firebase.md>), [Server-side rendering](<https://devfeed.tech/topics/server-side-rendering.md>), [SDK](<https://devfeed.tech/topics/sdk.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Node.js](<https://devfeed.tech/topics/node-js.md>), [Development](<https://devfeed.tech/topics/development.md>)

Tags: [auth](<https://devfeed.tech/tags/auth.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [bridging](<https://devfeed.tech/tags/bridging.md>), [browser](<https://devfeed.tech/tags/browser.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [js-sdk](<https://devfeed.tech/tags/js-sdk.md>), [next-js](<https://devfeed.tech/tags/next-js.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [sdk](<https://devfeed.tech/tags/sdk.md>), [server](<https://devfeed.tech/tags/server.md>), [ssr](<https://devfeed.tech/tags/ssr.md>), [web](<https://devfeed.tech/tags/web.md>)

## AI overview

The article introduces FirebaseServerApp, a Firebase Web SDK object that lets authenticated sessions created in the browser continue through server-side rendering in Node.js. It explains how Auth ID tokens are passed into SSR requests and discusses service-worker-based token handling and rendering-performance considerations.

## Source excerpt

The Firebase Web SDK has introduced FirebaseServerApp