performance

资料和工具

webpagetest

http://www.webpagetest.org/video/compare.php?tests=160104_0K_BMG%2C160104_2J_BMH&thumbSize=100&ival=500&end=visual

waterfall https://developers.google.com/web/tools/chrome-devtools/profile/network-performance/resource-loading

timeline http://www.ghugo.com/chrome-timeline/