Want to know more about Node.js? Learn how fast, efficient, and easy -to -understand APIs have become a popular choice for many companies. Click to Tweet Why use Node.js? Developers use Node.js primarily for non -blocking applications, action -packed applications and servers due to a single and real -time push -up system. It can also be good for designing backends and APIs for traditional websites. Below are a few reasons you might want to use Node.js and why it is suitable for building applications. Scalability Node.js allows you to build enterprise -similar applications, using microservice architecture and containerization.