The comparison with webflux for hello world case is now available: https://medium.com/deno-the-complete-reference/express-node-js-vs-webflux-spring-hello-world-performance-comparison-1798e25686e9 & https://medium.com/deno-the-complete-reference/fastify-node-js-vs-webflux-spring-hello-world-performance-comparison-4cd391fac441.

A comparison using databases will be coming very soon.