Sample to compare node servers. Http Server Run server node index.js Open your favorite browser http://localhost:3000 http://localhost:3000/profile http://localhost:3000/invalid Restify Http Server Run server node index-restify.js Open your favorite browser http://localhost:3001 http://localhost:3001/profile http://localhost:3001/invalid Express Http Server Run server node index-express.js Open your favorite browser http://localhost:3002 http://localhost:3002/profile http://localhost:3002/invalid Koa Http Server Run server node index-koa.js Open your favorite browser http://localhost:3003 http://localhost:3003/profile http://localhost:3003/invalid