Real-time functions: instant messaging and communication and collaboration tools, as well as gaming. Web API: RESTful APIs, microservices. Server-side rendering: Web pages are rendered in the server to improve SEO and performance for the website and each of the pages. Data Streaming: Processing large data sets or even intermittent streams of incoming data. IoT: Creating IoT applic... https://blogs.sparkifysolutions.com/introduction-of-node-js/