Following are main benefits of using Node.js
Aynchronous and Event Driven All APIs of Node.js library are aynchronous that is non-blocking. It essentially means a Node.js based SERVER never waits for a API to return data. Server moves to NEXT API after calling it and a notification mechanism of Events of Node.js helps server to get response from the previous API call.
Very Fast Being built on Google Chrome's V8 JavaScript Engine, Node.js library is very fast in code execution.
Single Threaded but HIGHLY Scalable - Node.js uses a single threaded model with event looping. Event mechanism helps server to respond in a non-bloking ways and makes server highly scalable as opposed to traditional servers which create limited threads to handle requests. Node.js uses a single threaded program and same program can SERVICES much larger number of requests than traditional server like Apache HTTP Server.
No Buffering - Node.js applications never buffer any data. These applications simply output the data in chunks.

Following are main benefits of using Node.js
Aynchronous and Event Driven All APIs of Node.js library are aynchronous that is non-blocking. It essentially means a Node.js based server never waits for a API to return data. Server moves to next API after calling it and a notification mechanism of Events of Node.js helps server to get response from the previous API call.
Very Fast Being built on Google Chrome's V8 JavaScript Engine, Node.js library is very fast in code execution.
Single Threaded but highly Scalable - Node.js uses a single threaded model with event looping. Event mechanism helps server to respond in a non-bloking ways and makes server highly scalable as opposed to traditional servers which create limited threads to handle requests. Node.js uses a single threaded program and same program can services much larger number of requests than traditional server like Apache HTTP Server.
No Buffering - Node.js applications never buffer any data. These applications simply output the data in chunks.