标签：
https://developers.google.com/web/fundamentals/performance/critical-rendering-path/?hl=en
https://developers.google.com/web/tools/chrome-devtools/profile/rendering-tools/analyze-runtime?hl=en
https://developers.google.com/web/fundamentals/performance/rendering/stick-to-compositor-only-properties-and-manage-layer-count
https://developers.google.com/web/tools/chrome-devtools/profile/network-performance/resource-loading?hl=en
js profile
原文地址：http://www.cnblogs.com/zyip/p/5911390.html
