Largest Contentful Paint Time

The duration in seconds, for the largest content element within the viewport of a webpage to become visible to the user.

Updated 2026-07-23 largest-contentful-paint-time

Largest Contentful Paint Time

The duration in seconds, for the largest content element within the viewport of a webpage to become visible to the user.

The metric is calculated by dividing the total duration, in seconds, from the time loading begins to the time the largest element within the viewport becomes visible to users, by the number of loading activities.

Distribution: Largest Contentful Paint Count vs Largest Contentful Paint Time

Distribution: a distribution by preset buckets, where each bucket displays the total largest contentful paint count in a specified range for corresponding largest contentful paint time. This distribution helps you understand loading time for largest contentful paint time and web performance, enabling you to optimize the web application.

  • JS works best with js.0.6.6 and above

This metric supports percentile and average queries. For more information on different percentile details, see Percentile Aggregation.

The calculation of this metric depends on proper implementation of the trackPageView() API. This API should be called during any navigation events in the app.

Secondary Metrics

Page Views

Supported Sensors

JS

For the full VSI App metrics catalog, see Metrics.