Fiber is a Go web framework built on Fasthttp, offering simplicity and high performance.Fiber bridges the gap between rapid development and high-performance applications, appealing to both newcomers and experienced developers.Built on Fasthttp, Fiber is ideal for real-time systems, large-scale microservices, and server-side rendered web applications.Fiber adopts an Express.js-like syntax, making it easier for developers transitioning from JavaScript/Node.js.