Test Core Web Vitals

Enter a URL to check Google Core Web Vitals and identify optimizations.

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Core Web Vitals impact Google rankings

Page experience is a ranking factor

Google measures whether your website is slow or provides a poor user experience. Doing poorly on these tests can cause you to rank lower in Google.

Check Core Web Vitals for free

This free tool lets you find out how Google is rating your website and what you can do to optimize it.

Lab and field data

Google collects field data from real Chrome users and uses that information for rankings. But numbers aren't enough to speed up your website, so we also run a detailed performance test in a controlled lab environment.

Learn About Core Web Vitals
Core Web Vitals test result
Google CruX field data and lab data

Understanding CrUX data

What is the Chrome User Experience Report (CrUX)

Google collects performance metrics from some Chrome users and publishes those statistics in the Chrome User Experience Report.

Data aggregation

CrUX data for aggregated across the past 28 days. So if you make a change to your website it will take a few weeks to see the full impact in the Google metrics.

Learn More About CrUX

Monitor Core Web Vitals

Continuously track Core Web Vitals

Stay on top of your site speed and optimize over time.

Get alerted to regressions

Find out about issues before they impact rankings. DebugBear can send notifications in Slack, Microsoft Teams or by email.

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Dashboard showing CrUX monitoring over time