modulepreload in 2026: Fix ES Module Waterfalls and Cut LCP for Native ESM
rel=modulepreload fetches, parses, and compiles ES modules ahead of time, populating the module map so import() resolves instantly and LCP drops by hundreds of ms.
Resource Hints Articles
Resource Hints in 2026: preload vs prefetch vs preconnect vs dns-prefetch
A practical 2026 guide to the four browser resource hints (preload, prefetch, preconnect, dns-prefetch): when each one helps, when it hurts LCP, and the exact decision flow to pick the right one.
HTTP 103 Early Hints: Cut TTFB and LCP by Preloading During Server Think-Time
HTTP 103 Early Hints lets servers preload critical resources during backend think-time, cutting LCP by 100-400ms. A practical 2026 guide for Cloudflare, Fastly, and Node.js origins.