Node.js stands out as a speedy choice for server-side development due to several key factors. Its non-blocking, asynchronous I/O model allows it to efficiently manage multiple concurrent connections without waiting for one operation to complete before moving on to the next. Node.js’s foundation on the V8 JavaScript engine, renowned for its speed and efficiency, ensures that JavaScript code is executed swiftly. Despite operating on a single thread, Node.js uses a clever event loop to handle multiple tasks without the overhead of creating new threads, resulting in reduced resource consumption and improved performance. Additionally, Node.js benefits from an extensive and active open-source community, continuously optimizing and enhancing its performance. Its speed is particularly well-suited for real-time applications, microservices, and scenarios where low latency and high concurrency are paramount, making Node.js a top choice for developers who prioritize speed and responsiveness.