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<link rel="preload" 为什么引入了两次？

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<link rel="preload" 为什么引入了两次？

webpack 打包结果如图： 一个有 "preload" 一个无。
image.png


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  1. 第一次是预加载，仅仅是预先加载而已，这样不易阻塞页面的初步渲染
  2. 第二次才是使用

https://developer.mozilla.org...


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