Element timingThe element performance entry and the PerformanceElementTiming API measures the time to render elements that have the elementtiming attribute.performancePerformancelimitedhttps://w3c.github.io/element-timing/https://developer.mozilla.org/docs/Web/API/PerformanceElementTimingapi.Element.elementTimingapi.PerformanceElementTimingapi.PerformanceElementTiming.elementapi.PerformanceElementTiming.idapi.PerformanceElementTiming.identifierapi.PerformanceElementTiming.intersectionRectapi.PerformanceElementTiming.loadTimeapi.PerformanceElementTiming.naturalHeightapi.PerformanceElementTiming.naturalWidthapi.PerformanceElementTiming.renderTimeapi.PerformanceElementTiming.toJSONapi.PerformanceElementTiming.urlhttps://nowyoucanuse.com/features--element-timing.html