Web features explorer

CPU compute pressure

Limited availability

This feature has received a negative standards position from at least one browser vendor — It's very unlikely to ever become Baseline in this current form.

The PressureObserver API monitors CPU load, allowing you to adjust workloads in response to available computing resources. Also known as the Compute Pressure API.

Browser support

  • Chrome 125 Released on 2024-05-14
  • Chrome Android Not supported
  • Edge 125 Released on 2024-05-17
  • Firefox Not supported Position
  • Firefox for Android Not supported Position
  • Safari Not supported Position: oppose (concerns: privacy, device independence)
  • Safari on iOS Not supported Position: oppose (concerns: privacy, device independence)

MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~0.386% 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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