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图片懒加载 #10

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JakeLaoyu opened this issue Sep 28, 2018 · 0 comments

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Gitalk 图片懒加载

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JakeLaoyu commented Sep 28, 2018

https://blog.feddy.org/shi-xian-tu-pian-lan-jia-zai-lazyload/

对页面加载速度影响最大的就是图片，一张普通的图片可以达到几M的大小，而代码也许就只有几十KB。当页面图片很多时，页面的加载速度缓慢，几S钟内页面没有加载完成，也许会失去很多的用户。

所以，对于图片过多的页面，为了加速页面加载速度，所以很多时候我们需要将页面内未出现在可视区域内的图片先不做加载，等到滚动到可视区域后再去加载。这样子对于页面加载性能上会有很大的提升，也提高了用户体验。

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