Fast response is essential for today & businesses to survive the global marketplace. Therefore, having a fast and safe method of developing web apps is no longer a luxury. Identifying the best platform on which to build a web app is not always easy. After all, it & hard for startups or established companies to pick the best technology when there are so many options out there. When making a website or web app, one of the most important things to think about is how to keep the performance at a constant level. Here is where Node.js really shines. Since Node.js is one of the most efficient cross-platform languages, it may be used to build robust REST APIs, desktop and mobile applications, and so on.