In Node.js, you will have a real-time 2-way communication such as the flawless communication between server-side & client-side. It ultimately divides the workloads between a service provider that you know as a server & service request that you know as clients.
It is also a powerful, fast, efficient, and scalable web server. Some of the top app development companies use it for various security benefits. According to the Statista survey based on the most used libraries, frameworks, and tools among developers, 49.6% of respondents worldwide said that they use Node.js for web development.
Whereas some other statistical info suggests that it has around 3.5 million developers work with Node.js while there are 450,000 websites based the technology.