Performance
Navigation Timing API
Inspect document load timing milestones (DNS, connect, DOMContentLoaded, load).
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Feature Not SupportedThis browser does not support the Navigation Timing API Web API feature. Try testing in a modern browser (such as Chrome, Edge, Safari, or Firefox).
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Web API Execution Output
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Native JavaScript Code Example (Zero Libraries)
const [nav] = performance.getEntriesByType('navigation');
console.log(nav.domContentLoadedEventEnd - nav.startTime);About the Navigation Timing API Web API
Navigation Timing API provides metrics about a document's navigation and page load.
Specification:W3C & WHATWG Web API Standard
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