Automatic Signed Exchanges may dramatically boost your site visitor numbers
Jul 8, 2022João Sousa Botto

Summary
This post details the performance improvements observed in customers using Cloudflare's Automatic Signed Exchanges (SXG) feature. It presents metrics showing improvements in Largest Contentful Paint (LCP), First Contentful Paint (FCP), and Time to First Byte (TTFB) for a significant percentage of users. It also introduces Dynamic SXG, a new capability that allows SXG to be used with server-side personalization by adding a 'Vary: Cookie' annotation, and announces the expansion of SXG support to Chromium-based desktop browsers.