Server Push/preloading?

HTTP/2 Server Push is a past feature,
but Preload is an alternative and seems to be sometimes useful.
https://web.dev/articles/preload-critical-assets

https://developer.chrome.com/blog/removing-push/
It says:
Caution: All solutions that attempt to load resources early can cause performance degradation and should be used in moderation. The browser is often very good at making the right choices, but sometimes can benefit from a little help in some cases. With emphasis on "little".

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