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.
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.