Limited Availability Performance

Interaction contentful paint performance entries

An interaction-contentful-paint performance entry measures the duration of an interaction that causes one or more contentful paints. You can use it to measure LCP for soft navigations in single page apps.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Jul 31, 2026.

Desktop Browser Engine Support

Google Chrome

151

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

151

Supported

Mobile Browser Engine Support

Chrome Android

151

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.InteractionContentfulPaint ↗ api.InteractionContentfulPaint.interactionId ↗ api.InteractionContentfulPaint.largestContentfulPaint ↗ api.InteractionContentfulPaint.paintTime ↗ api.InteractionContentfulPaint.presentationTime ↗ api.InteractionContentfulPaint.toJSON ↗