Installation
npm install web-vitals About this Tool
Google's web-vitals library provides CLI-accessible measurement of Core Web Vitals metrics including Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS). These metrics directly impact Google Search rankings. Essential for marketing teams optimizing landing page performance.
Use Case Examples
- Measure Core Web Vitals on landing pages to improve SEO rankings
- Track LCP and CLS metrics before and after page optimizations
- Monitor performance regressions that could impact search visibility
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Score Breakdown
9
Overall Score
Based on 5 dimensions
Installation 9/10
Documentation 9/10
Relevance 9/10
Quality 9/10
Maintenance 10/10
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