Navigation Timing API (MDN)

developer.mozilla.orgsite

Page navigation and load milestone metrics.

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Web Performance Optimization

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2026-10-10

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1. ▲
   Resource Timing API (MDN) developer.mozilla.org

   site category #wpo link ↗

   Detailed network timing for assets.

2. ▲
   Navigation Timing w3c.github.io

   site category #wpo link ↗

   This specification defines a unified interface to store and retrieve high resolution performance metric data related to the navigation of a document.

3. ▲
   Docs - Server Timing developer.mozilla.org

   site category #pagespeed-metrics link ↗
4. ▲
   Timing.js github.com

   tool category #wpo link ↗

   Small helpers for working with the Navigation Timing API to identify where your application is spending its time. Useful as a standalone script, DevTools snippet, or bookmarklet.

   
5. ▲
   Docs - Frame Timing API developer.mozilla.org

   site category #pagespeed-metrics link ↗
6. ▲
   Blogpost - Navigation and Resource Timing developers.google.com

   site category #pagespeed-metrics link ↗

Web Performance Optimization › Documentation: “Page navigation and load milestone metrics.”