Sentry is utilizing Google Web Vitals to improve front-end performance in applications, helping developers identify issues such as slow load times, unexpected shifts, or trouble interacting with UI components. By standardizing measurements, Sentry aims to provide a comprehensive understanding of user experiences, allowing developers to pinpoint problems and make data-driven decisions. The key metrics measured by Web Vitals include First Paint, First Contentful Paint, Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift, each providing insights into specific aspects of page rendering and user interaction. Sentry's Performance Monitoring solution captures these metrics by default, offering a free trial for developers to start monitoring their application's performance and identify areas for improvement.