Undici is a fast, reliable HTTP/1.1 client, written from scratch for Node.js. Offering exceptional performance compared to Node's built-in http module, it boasts features like connection pooling, pipelining, and optimized parsing. Undici is designed for low latency and high throughput, making it ideal for demanding applications and services requiring efficient HTTP communication. This lightweight and efficient client is a strong choice for developers aiming to maximize network performance in Node.js.