First Contentful Paint Changelog

This is a list of changes to First Contentful Paint.

• Chrome 102
  • Implementation issue: Changes related to FCP and document opacity
• Chrome 99
  • Implementation optimizations: Navigation optimizations and timeOrigin changes
• Chrome 94
  • Metric definition improvement: Paint timing is only reported when the painted content is not under opacity:0
• Chrome 89
  • Metric definition improvement: First Contentful Paint reported for quick tab switches
• Chrome 86
  • Metric definition improvements: First Contentful Paint reported for videos, webgl2 canvases, and non-contentful SVG
• Chrome 84
  • Metric definition improvement: First Contentful Paint not reported for opacity:0
• Chrome 77
  • Metric definition improvement: First Contentful Paint ending switches from swap time to presentation time
  • Chrome performance regression: First Contentful Paint regression (recovered in Chrome 78)
• Chrome 60
  • Metric exposed via API: First Contentful Paint available via Paint Timing API