Short description
firstContentfulPaint is the point when the browser renders the first bit of content from the DOM, which may be text, an image, SVG, or a <canvas> element.
New Relic event types
  • SyntheticRequest

    Data source: Synthetics
Units of measurement milliseconds (ms)

Google's User-centric Performance Metrics contains detailed information about its Paint Timing API and firstContentfulPaint.