🏠 New in High Baseline Support: Server timing
September 27, 2025
The serverTiming property of the PerformanceResourceTiming API contains server timing information about network requests.
Source features
api.PerformanceResourceTiming.serverTiming[mdn]api.PerformanceServerTiming[mdn]api.PerformanceServerTiming.description[mdn]api.PerformanceServerTiming.duration[mdn]api.PerformanceServerTiming.name[mdn]api.PerformanceServerTiming.toJSON[mdn]http.headers.Server-Timing[mdn]http.headers.Server-Timing.trailer[mdn]