Support: Web Vitals
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Web Vitals


40 ratings


11 support issues

For additional help, check out the developer's support site.

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Mohamed Chebbi

Feb 15, 2024

no correspondence between "Lighthouse" stats and the "extension" stats

I have installed the extension and used it along with lighthouse, but the numbers are not the same.
lighthouse: (LCP: 9.2)
extension: (LCP: 2.78)
and the same for other metrics, so who should I believe? lighthouse or web vitals extension?

Malikul Akbar

Nov 25, 2023

Need to fix: non-JS module files deprecated

console.warn("crbug/1173575, non-JS module files deprecated.");

Jean-Joseph LATTUADA

May 15, 2023

Some CLS are not detected since the last version

I noticed, since the last version, a change in behavior on the CLS indicator. On some sites on which I had noted CLS linked to advertisements (perfectly visible to the eye), now the new version no longer detects these CLS (I have a CLS score of 0). Example: https://lemagdes Many thanks.

Aaron Grogg

Mar 7, 2023

Web Vitals are unavailable for this page

Every page I try this on returns "Web Vitals are unavailable for this page", any idea why that would happen?

Essam Khodairy

Oct 3, 2021

"Web Vitals are unavailable for this page"

Web Vitals are unavailable for this page

Damien Maurer

May 29, 2021

Web Vitals Overlay Causes CLS 😁

Hi guys,

When turning on the HUD overlay and running a Performance recording on Chrome using Low-Tier Smartphone, the HUD overlay causes some CLS.
Not much, but still 😀

WarningCumulative Layout Shifts can result in poor user experiences.
Cumulative Score0.00001011
Had recent inputNo
Moved fromLocation: [305,27], Size: [41x19]
Moved toLocation: [302,27], Size: [44x18]
Related Nodebutton#web-vitals-close.lh-overlay-close

Inspired Taste

Feb 11, 2021

CLS Score Breakdown

Hi, I just installed your extension and I am able to see the three scores for all web vitals but is there a way to find out what is causing the CLS score? What is shifting?

Daniel Kamman

Dec 11, 2020

"An error has occurred Could not unzip extension"

Tried to install. Got this message, repeatedly "An error has occurred
Could not unzip extension"

Kevin C Chen

Dec 10, 2020

Could not unzip extension

Hi, I am getting the error message "Could not unzip extension" when trying to add this to Chrome Version 87.0.4280.88 (Official Build) (x86_64). Reload didn't help either, any idea how to get this installed? or workaround the issue? Thanks.

Marco S.

Dec 9, 2020

Metrics data unavailable

For a few hours this app no longer works with all sites.
"Metrics data unavailable" error message. Any solution?
I'm using Chrome 87.0.4280.88 (Official Build) (64-bit).

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