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Home Backend Development PHP Tutorial 用一个jpg的图片当做页面背景,结果发现访问这个页面的时候 jpg出来很慢,怎么办?

用一个jpg的图片当做页面背景,结果发现访问这个页面的时候 jpg出来很慢,怎么办?

Jun 06, 2016 pm 08:07 PM
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用一个jpg的图片当做页面背景,结果发现访问这个页面的时候 jpg出来很慢,怎么办?

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用一个jpg的图片当做页面背景,结果发现访问这个页面的时候 jpg出来很慢,怎么办?

  1. 图片压缩

  2. 使用CDN

1.网速慢
2.高清的大图有可能几十M,消耗资源加载慢。
3.做一个定时器,就是等img资源加载好再加载页面,这样不会看到图片刷的过程

简单的方案其他答案说过了,楼主可以参考下。
说两个稍微麻烦点的,改善用户体验的方法:
1、图片分块,这样可以看到图片一块块的加载出来,不至于等很久什么都没有,同时对于大图多个连接下载速度也能稍微快些
2、js异步加载,创建个图片对象加载图片,等加载好了再显示出来(网上很多例子)

P.S.服务器检查下:
1、磁盘I/O
2、带宽
3、可以考虑vanish
4、静态文件服务器缓存相关的头设对了没有,cache时间等。

P.S.S.可以检查下本地到服务器的下载速度

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