Node.js is an event-driven platform built with Google's V8 JavaScript Engine. It’s used by scalable web applications that need live interaction between a server and the worldwide web users and can substantially enhance the performance of any site that uses it. Node.js is designed to handle HTTP web requests and responses and incessantly provides small bits of info. For instance, in case a new user fills out a signup form, as soon as any info is inserted in one of the fields, it’s sent to the server even if the other boxes are not filled and the user hasn’t clicked on any button, so the information is handled much faster. In comparison, other systems wait for the whole form to be filled and one large hunk of information is then submitted to the server. No matter how tiny the difference in the information processing speed may be, circumstances change in case the Internet site expands and there’re many users using it at the same time. Node.js can be used by booking websites, interactive web browser video games or web-based chat portals, for example, and lots of corporations, among them Yahoo, eBay and LinkedIn, have already integrated it into their services.