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
- Measures web vitals like CLS and LCP effectively for some users
- Useful extension with good attention to detail for color-blind users
- One reviewer appreciated the explanation of metrics like INP
Cons
- Doesn't work or shows 'Web Vitals are unavailable' for many users
- Inconsistent results compared to other tools like Google Page Insights
- No information or direction on what causes CLS issues is provided
Most mentioned
- Issues with accurately measuring CLS (Cumulative Layout Shift)
- Comparison with Google Page Insights and inconsistent results
- The 'Waiting for input...' message for INP (Interaction to Next Paint) metric
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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