Core SERP Vitals

Chrome Extension - Show the Core Web Vitals from the Chrome User Experience Report in the Google Search Results.

* Note: Requires a free API key for the Chrome UX Report API. *

You can generate one here:

Image showing the core web vitals metrics in the google search results.



Available as a Chrome Extension to see the Core Web Vitals data from the CrUX report in your search results.

Download from Chrome Web Store


To use the Chrome Extension you'll need a free API key for the Chrome UX Report API.

You can generate one here:

Generate API Key

When you have your API key simply add it to the extension's settings page and you'll start see Core Web Vitals metrics in your search results.


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Frequently Asked Questions

Is this real world data?

Yes, this data comes directly from the Chrome User Experience Report (CrUX) and represents aggregated real world data.

Why do not all sites have Core Web Vitals?

Not all sites have data in the Chrome User Experience Report (CrUX), although there are millions of sites in the report.

Are the Core Web Vitals taken from Mobile or Desktop devices?

Currently the extension is set to only request the Mobile metrics.

Update - As of version 1.1.0 you can now select the device type from the options page.

Is this free?

Yes, the extension is free. Although if you want to support this extension and my other projects then feel free to buy me a coffee.



- Added support for experimental metrics INP and TTFB.

- Updated design.

- Updated extension to support Manifest V3.


- Added a selector to the options page so you can pick the reporting device type.


- Added all remaining Google domains with a country code.


- Stopped the settings page automatically opening every time the extension updated.


- Added support for


- Added support for


- Added support for


- All the changes.


Send me an email via [email protected] or you can find me on Twitter at @defaced.

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