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性能优化思路 #6

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zhuzhuaicoding opened this issue Apr 19, 2017 · 1 comment

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zhuzhuaicoding commented Apr 19, 2017 •

edited

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HTTP协议栈 - 网络层

减少RTT

合并
服务器优化
缓存
优化网络

减少内容大小

压缩

chrome本身做的努力

网络协议栈

prefetch
preload

渲染引擎

渲染性能，浏览器渲染原理，关键渲染路径（延迟或异步加载资源，从而减少关键资源数量；减少资源大小；针对关键资源，减少网络请求时间）

v8 减少js编译时间，提升运行速度

代码角度，避免bailout
热代码替换
对象访问（Fast，Slow）

Owner Author

zhuzhuaicoding commented Apr 19, 2017 •

edited

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糟糕的loading性能

网站本身太重了吗
你的资源合并压缩了吗
js本身花太久去解析，编译，执行了吗？
使用浏览器高效的缓存机制了吗
第三方脚本广告拖慢了你的网站吗

Sustainable Loading features we’ll be tracking by Addy Osmani

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