# Source: https://reactnative.dev/docs/global-PerformanceResourceTiming.md

# PerformanceResourceTiming

The global [`PerformanceResourceTiming`](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming) class, as defined in Web specifications.

Partial support

React Native implements the following `PerformanceResourceTiming` properties only:

* `fetchStart`
* `requestStart`
* `connectStart`
* `connectEnd`
* `responseStart`
* `responseEnd`
* `responseStatus`
* `contentType`
* `encodedBodySize`
* `decodedBodySize`