Modern web architecture should reflect the actual job of the website.
If most of the site exists to communicate positioning, capture leads, publish content and support a product narrative, shipping a large client-side application shell by default is often unnecessary. Static-first frameworks provide a better baseline: less JavaScript, faster rendering and cleaner crawl paths.
Selective interactivity is the more useful pattern. Add JavaScript where the interaction pays for itself, such as calculators, embedded product previews or authenticated islands. Keep the rest of the site simple.
This approach also helps marketing and engineering work together more effectively. A component system can still be expressive and flexible without making every content change depend on a heavy application runtime.
Performance is not decoration. It changes how quickly users trust what they see.
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