Cloudflare New Cache Proxy Pingora 2026: Asynchronous stale-while-revalidate Setup & Performance Guide “ Cloudflare Pingora is a Rust-based proxy framework that Cloudflare built for high-scale network services. This guide explains why it was developed, how asynchronous stale-while-revalidate works thro... Cache Proxy 2026 Cloudflare Pingora Stale-While-Revalidate 05-May-2026 0 288