With advancements in technology such as Node.js, Jamstack, and serverless architecture, frontend developers with a solid understanding of JavaScript can now create fullstack solutions, blending client-side and server-side capabilities. This tutorial demonstrates how to build a server-side rendered (SSR) web application using Firebase Functions for server management, which allows developers to focus on coding rather than infrastructure. By leveraging Sapper, a framework associated with Svelte, developers can compile applications ahead of time for enhanced speed and efficiency. The tutorial guides users through setting up a local development environment, configuring the project, and deploying it to the cloud using Firebase, with the end result being a lightweight, scalable web app that feels like a Single Page Application (SPA) to users while remaining easily indexable by search engines.