Web features explorer

Virtual pressure sources

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 CreateVirtualPressureSource WebDriver command creates artificial sources of compute pressure for testing without the need real device sources of compute pressure.

Browser support

  • Chrome 129 Released on 2024-09-17
  • Chrome Android 129 Released on 2024-09-17
  • Edge 129 Released on 2024-09-19
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari Not supported Position: oppose (concerns: privacy, device independence)
  • Safari on iOS Not supported Position: oppose (concerns: privacy, device independence)

MDN documentation

Specifications

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist