<head>
<script>
// https://github.com/filamentgroup/loadCSS
!function(e){"use strict"
var n=function(n,t,o){function i(e){return f.body?e():void setTimeout(function(){i(e)})}var d,r,a,l,f=e.document,s=f.createElement("link"),u=o||"all"
return t?d=t:(r=(f.body||f.getElementsByTagName("head")[0]).childNodes,d=r[r.length-1]),a=f.styleSheets,s.rel="stylesheet",s.href=n,s.media="only x",i(function(){d.parentNode.insertBefore(s,t?d:d.nextSibling)}),l=function(e){for(var n=s.href,t=a.length;t--;)if(a[t].href===n)return e()
setTimeout(function(){l(e)})},s.addEventListener&&s.addEventListener("load",function(){this.media=u}),s.onloadcssdefined=l,l(function(){s.media!==u&&(s.media=u)}),s}
"undefined"!=typeof exports?exports.loadCSS=n:e.loadCSS=n}("undefined"!=typeof global?global:this)
</script>
<style>
/* The styles for the site header, plus: */
.main-article,
.comments,
.about-me,
footer {
display: none;
}
</style>
<script>
loadCSS("/the-rest-of-the-styles.css");
</script>
</head>
<body>
</body>
在上面的代码中，通过一些内联样式我们可以加速初始渲染，同时隐藏起还没有加载完样式的组件，并通过 JavaScript 异步地完成加载。剩余的 CSS 加载完后会重写.main-article中的display:none。