fid.md

First Input Delay Changelog

This is a list of changes to First Input Delay.

• Chrome 91
  • Chrome change affecting metric: Disable double-tap-to-zoom on mobile viewports
• Chrome 83
  • Metric definition improvement: First Input Delay includes inputs with delays < 1ms in Chrome User Experience Report
• Chrome 77
  • Metric exposed via API: First Input Delay available via Event Timing API
• Chrome 75
  • Metric definition improvement: First Input Delay includes input events that had previously been filtered