Building vertical microfrontends on Cloudflare’s platform

This post introduces a new Cloudflare Worker template for Vertical Microfrontends (VMFE) that maps multiple independent Workers to a single domain by URL path.

• •Unlike horizontal microfrontends (components from different services on one page), vertical MFEs split the app by URL path, giving each team full ownership of their route's entire stack including framework, CI/CD, and libraries
• •CSS View Transitions keep shared elements like navigation visible between Workers, eliminating the blank screen flash and making separate projects appear as one unified UI
• •The Speculation Rules API enables Chrome/Edge to prefetch other vertical slice URLs into memory, making navigation between them feel near-instant like a SPA
• •A single "Router" Cloudflare Worker acts as the edge routing layer, forwarding requests to the correct microfrontend Worker based on URL path
• •Cloudflare Service Bindings allow the Router Worker to call into each microfrontend Worker without going through a public URL, serv