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Jiachi LiuandGitHub b4130cb07a Preload all chunks for next/dynamic in SSR (#65486)
### What

Follow up for #64294 where we could preload all the JS and CSS chunks
for `next/dynamic` component.

* Rename `preload-css` component to `preload-chunks` and remove the
filter for css chunks
* Preload JS chunks with `defer`

### Why

Preloading all the async chunks of `next/dynamic` can make rendering
more efficiently when combined with the initial chunks. Since those
chunks are splitted on client but still essential for the page

#### After vs Before

We can see the waterfall starts much earlier for the dynamic chunk
(881.8a0e88...js)

<img width="500"
src="https://github.com/vercel/next.js/assets/4800338/9bab2c32-37c3-4c7a-93e2-3aa43b2ec7c8">
<img width="500"
src="https://github.com/vercel/next.js/assets/4800338/0fba7499-bb69-41c4-ab72-e9952f3d7f68">
2024-05-08 19:30:42 +02:00
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