PopularityJavaScript at all levels of the stackLeveraging Google's investment in V8Leaner asynchronous event-driven modelMicroservice architectureThe Node.js is stronger for having survived a major schism and hostile forkPerformance and utilizationIs Node.js a cancerous scalability disaster?Server utilization, the bottom line, and green web hostingNode.js, the microservice architecture, and easily testable systemsNode.js and the Twelve-Factor app model