Beyond the usual quick tips, let's look at both the business case and the technical side of keeping React bundles lean.

According to Statista, as of 2024, Node.js overtook React.js to become the most widely used web framework. Over 40% of developers reported using Node.js, compared to 39.5% who opted for React.js.

Lastly, index.js serves as the starting point for the NodeJS process and ReactDOM.hydrate () is used to flesh out our app with less important auxiliary content after the shell loads.

Microsoft wants you to build for the cloud and has developed a free Node.js course to help learners on their journey.