Does this plugin support Cloudflare’s HTTP/2 Server Push?
– No cause HTTP2 server push is almost dead and has been almost killed off in HTTP3 due to all the problems HTTP2 server push have especially with caching resources that has already been pushed.
That’s why though I personally used to use server psuh at the early days of HTTP2 but now I don’t.
Honestly, the short answer is, don’t use server push it’s a pure waste instead if you have critical resources that requires for CLS & LCP, try preloading them on the page with fetchpriority="high"
resource hint. This will help you way more than server push.
<link rel="preload" href="./some-style.min.css" as="style" fetchpriority="high">
Read more: https://web.dev/priority-hints/