链接类型：prefetch

关键字 prefetch 作为元素 <link>  的属性 rel 的值，是为了提示浏览器，用户未来的浏览有可能需要加载目标资源，所以浏览器有可能通过事先获取和缓存对应资源，优化用户体验。

规范

Specification Status Comment
HTML Living Standard
prefetch		 Living Standard

浏览器兼容性

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The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.