Core Web Vitals

Feature

Germain collects all Core Web Vitals metrics to boost your website performance and improve user experience.

Largest Contentful Paint (LCP)

LCP measures perceived load speed as it marks when the page's main content (image or text block) visible within the viewport has likely loaded.

KPI: KPIs for User Monitoring and Replay | Core Web Vitals KPIs

First Input Delay (FID)

First Input Delay (FID) measures load responsiveness as it quantifies the experience users feel when trying to interact with unresponsive pages. Collected data is accessible on User Click KPI as First Input Duration measure.

Cumulative Layout Shift (CLS)

Cumulative Layout Shift (CLS) measures visual stability as it quantifies how often users experience unexpected layout shifts. Collected data is accessible on User Click KPI but only on the Detail Execution Flow portlet.