The Instant ArchitectureA Performance Odyssey with SSG & Service Workers

How to achieve a 0.14s LCP on 3G with a PWA, declaring war on the true bottleneck... the network.

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Instant Feedback (SSG + SPA)

The baseline. A static site for ultra-fast initial loads that hydrates into a fluid SPA, providing immediate feedback on client-side interactions.

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Fast Feedback (PWA with Precache)

The first level of optimization. A Service Worker that precaches assets (JS, CSS), making subsequent visits and page reloads dramatically faster.

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Instant Rendering (Streaming SW)

The final blow. A Service Worker that serves the App Shell from the cache and only requests data (a few bytes) from an API, eliminating HTML from the network payload.