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PerformanceTiming.responseStart

Summary

The PerformanceTiming.responseStart read-only property returns an unsigned long long representing the moment in time (in milliseconds since the UNIX epoch) when the browser received the first byte of the response from the server, cache, or local resource.

Syntax

time = performanceTiming.responseStart;

Specifications

Specification Status Comment
Navigation Timing
The definition of 'PerformanceTiming.responseStart' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 6.0 7.0 (7.0) 9.0 15.0 Not supported
Feature Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support Not supported 7.0 (7.0) 1.0 (7.0) 9.0 15.0 Not supported

See also

Document Tags and Contributors

 Contributors to this page: chrisdavidmills, eli_f, fscholz, kscarfone, teoli
 Last updated by: chrisdavidmills,