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First Contentful Paint Changelog

docs/speed/metrics_changelog/fcp.md

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First Contentful Paint Changelog

This is a list of changes to First Contentful Paint.

Chrome 126
- Launch feature: Enable NewPresentationFeedbackTimeStamps on Mac to improve the accuracy of the frame display time
Chrome 111
- Implementation optimizations: Changes related to LCP, FCP and Paint Holding
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