/mdn-git/developer.mozilla.org/en-US/docs/Web/API/PerformanceTimingPerformanceTiming
connectEnd connectStart domainLookupEnd domainLookupStart domComplete domContentLoadedEventEnd domContentLoadedEventStart domInteractive domLoading fetchStart loadEventEnd loadEventStart navigationStart redirectEnd redirectStart requestStart responseEnd responseStart secureConnectionStart toJSON unloadEventEnd unloadEventStart