网页加载速度优化2--先加载css，然后再加载js文件。

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网页加载速度优化2--先加载css，然后再加载js文件。 - prince.shi

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May 20, 2016 pm 04:50 PM

网页加载时，是按从上到下，从左到右的顺序加载的。所以一定要先加载css文件（不要让用户看到一个杂乱无章的页面），最后再加载js文件，<br>js一般都是处理功能的，所以不需要提前加载。先给用户观感，再给用户上手体验。<br><br><br><br><br>    <meta charset="UTF-8"><br>    <title>Title</title><br>    <!--先加载css --><br>    <link rel="stylesheet" href="style.css"><br><br><br><!--然后加载网页内容 --><br><h1 id="this-is-a-demo-html">this is a demo html </h1><br><br><!--最后加载js文件--><br><script src="index.js"></script><br><br>

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