Performance Observer

Category: Performance
Type: New or changed feature
Status: Enabled by default (Chrome 52)
Intent stage: None

Summary

Used to observe the Performance Timeline (http://w3c.github.io/performance-timeline) and be notified of new performance entries as they are recorded by the user agent

Standards & signals

Specification: http://w3c.github.io/performance-timeline/#the-performance-observer-interface
Firefox: Shipped/Shipping
Safari: No signal
Web developers: No signals
Tracking bug: http://crbug.com/485613

Docs: https://developers.google.com/web/updates/2016/06/performance-observer

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