Web Vitals
Measure metrics for a healthy site
What is Web Vitals?
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Summary
Web Vitals are quality signals key to delivering great UX on the web (https://web.dev/vitals). This extension measures the Core Web Vitals, providing instant feedback on loading, interactivity and layout shift metrics. It is consistent with how these metrics are measured by Chrome and reported to other Google tools (e.g. Chrome User Experience Report, Page Speed Insights, Search Console).
The extension supports all of the Core Web Vitals and captures:
Largest Contentful Paint Cumulative Layout Shift Interaction to Next Paint
It also supports the diagnostic metrics:
Time to First Byte First Contentful Paint
And finally, it temporarily supports the following deprecated metrics:
User reviews
User reviews summary
Pros
- Useful for measuring Cumulative Layout Shifts
- Clear display of CLS score
- Provides valuable insights for web performance optimization
Cons
- Inconsistent results with other performance measurement tools (e.g. PageInsights API)
- Issues with detecting First Input Delay on many websites
- Inability to disable flickering numbers, causing distraction
Most mentioned
- Inconsistent results with other performance measurement tools
- Difficulty in detecting First Input Delay
- Display of CLS score
- Flickering numbers causing distraction
Recent reviews
Safety
Risk impact
Web Vitals is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install Web Vitals if you trust the publisher.
Risk likelihood
Web Vitals has earned a good reputation and can be trusted.
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