Google Analytics Site Speed 的指标如何映射到 W3C Navigation Timing API? [英] How do the metrics of Google Analytics Site Speed map to the W3C Navigation Timing API?

问题描述

Dimensions & 上提供的网站速度指标的解释指标参考不清楚(至少对我而言).它们代表 Navigation Timing API 中的事件，但我无法弄清楚哪些事件是每个指标的起点和终点.

The explanations of the site speed metrics provided on Dimensions & Metrics Reference are unclear (at least to me). They represent events in the Navigation Timing API but I cannot figure out which events are the start and end points of each metric.

推荐答案

GA 指标名称(左)到 Navigation Timing 标签(右):

GA metric names (left) to Navigation Timing labels (right):

        pageLoadTime = loadEventStart - navigationStart
    domainLookupTime = domainLookupEnd - domainLookupStart
serverConnectionTime = connectEnd - connectStart
  serverResponseTime = responseStart - requestStart
    pageDownloadTime = responseEnd - responseStart
     redirectionTime = fetchStart - navigationStart
  domInteractiveTime = domInteractive - navigationStart
domContentLoadedTime = domContentLoadedEventStart - navigationStart

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