https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming
- DNS
- domainLookupStart
- domainLookupEnd
- TCP / TLS
- connectStart
- secureConnectionStart
- connectEnd
- HTTP Request
- requestStart
- HTTP Response
- responseStart
- responseEnd
- Processing
- domLoading (sometimes, it can happens before responseEnd)
- domInteractive
- domContentLoadedEventStart (loading async /defer scripting)
- domContentLoadedEventEnd
- domComplete (everything is ready)
- Load
- loadEventStart
- loadEventEnd
标签：Web,en,HTTP,responseEnd,loadEventStart,PerformanceNavigationTiming From： https://www.cnblogs.com/Answer1215/p/17489306.html