BASELINE NowYouCanUse.com
Widely Available Performance
id: server-timing

Server timing

The serverTiming property of the PerformanceResourceTiming API contains server timing information about network requests.
Baseline Status: Achieved Widely Available on Sep 27, 2025 (Cross-browser Newly Available since Mar 27, 2023).
Desktop Browser Engine Support
Google Chrome
65
Supported
Mozilla Firefox
61
Supported
Apple Safari
16.4
Supported
Microsoft Edge
79
Supported
Mobile Browser Engine Support
Chrome Android
65
Firefox Android
61
Safari iOS
16.4
Specifications and References
Specification ↗ Can I Use (server-timing) ↗ Feature XML ↗
MDN Browser Compat Data Keys:
api.PerformanceResourceTiming.serverTiming ↗ api.PerformanceServerTiming ↗ api.PerformanceServerTiming.description ↗ api.PerformanceServerTiming.duration ↗ api.PerformanceServerTiming.name ↗ api.PerformanceServerTiming.toJSON ↗ http.headers.Server-Timing ↗ http.headers.Server-Timing.trailer ↗