Comments (8)
CSS 阻塞 DOM 构建(有 js) 这个有办法测吗,感觉好像没办法,因为最多也就是 charles 把 css 挂起,这个时候页面没有渲染(Render Tree 没完成),但是这个无论 CSS 有没有阻塞 DOM Tree 构建都表现是这样
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@NE-SmallTown 可以测,Chrome DevTools 中的 performance 面板可以测~ 😁😁
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看了下,确实没有 js 的时候,即便 block 住 css 资源的请求,DOMContenLoaded 事件也还是 fire 了
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@NE-SmallTown 后面会写更多导致性能问题的原因以及如何解决的文章~ 😁😁
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哈哈,持续关注中,之前也写过一点 https://zhuanlan.zhihu.com/p/33825610 ,要看的资料太多了,唉
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赞!!
第六节使我恍然大悟!!!
只知道 JavaScript 阻塞 Parse HTML 但一直没有去理解其原因,现在终于明白了。
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补充下 Google Developers 社区对该主题的介绍:https://developers.google.com/web/fundamentals/performance/critical-rendering-path
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上面很多图片都裂开了,能补充完善吗
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