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chrome 不再支持 http2 server push #64

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nmsn opened this issue Nov 23, 2022 · 1 comment

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nmsn commented Nov 23, 2022

https://developer.chrome.com/blog/removing-push/

nmsn added the 浏览器 label

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nmsn commented Nov 24, 2022 •

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关键信息：

Chrome 106 版本以及其他 Chromium-based 浏览器下个版本将默认禁用 HTTP/2 Server Push
默认禁用原因：性能优势很难体现，在某些情况下还会使性能下降，用的人也少（Server Push 很难避免推送浏览器已经拥有的子资源，其实很多资源在浏览器第一次请求到就已经缓存下来了）
HTTP/3 推送有相关的规范，但是大部分已经“退休”
替代方案：
1. [103 Early Hits])https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/103_ 有很多 Push 相关有点，缺点很少
2. 预加载关键资源

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