PerformanceTiming.responseStart

This interface of this property is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface instead.

The legacy 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

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 6.0 (Yes) 7.0 (7.0) 9.0 15.0 No support
Feature Android Edge Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support No support (Yes) 7.0 (7.0) 1.0 (7.0) 9.0 15.0 No support

See also

Document Tags and Contributors

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