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The Profiler API records data about the execution of a page, which you can send to a server for later analysis. Also known as self-profiling.

Status

Limited availability

MDN documentation

JS Self-Profiling API

Specifications

JS Self-Profiling API, from Web Platform Incubator Community Group (W3C).

Browser support

Chrome 94 Released on 2021-09-21
Chrome Android 94 Released on 2021-09-21
Edge 94 Released on 2021-09-24
Firefox ❌ See bugzil.la/1867361 Vendor position : unknown (concerns: security)
Firefox for Android ❌ See bugzil.la/1867361 Vendor position : unknown (concerns: security)
Safari ❌
Safari on iOS ❌

Usage (according to Chrome Platform Status)

~0.082% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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