Web Vitals

Measure metrics for a healthy site

Web Vitals Extension: UX Metrics for Your Site

"Web Vitals" is a Chrome extension that gauges real-time user experience metrics critical for a healthy website. It assesses Core Web Vitals to provide feedback on loading, interactivity, and layout stability. Features include an Ambient Badge indicating metric success, a detailed popup for metric drill-down, and an overlay for continuous on-page metric display. It aligns with Chrome's measurement standards and integrates real-user data to benchmark against other users' experiences.

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Extension stats

This extension was removed from Chrome Web Store on 2025-02-03

By: addyosmani

Users: 100,000+

Rating: 4.19

(42)

Version: 1.6.0 (Last updated: 2025-01-12)

Creation date: 2020-06-30

Permissions:

tabs
storage
activeTab
scripting

Host permissions:

*://*/*

Size: 408.58K

Email: ad*****@gmail.com

Full description: See detailed description

Other platforms

Not available on Android

Not available on Firefox

Web Vitals (v3.9.16.1416)

1,176+ 4.20

(14)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Works wonderfully well
Thanks for the super useful extension
It shows the CLS score. That's a big help.

Cons

Doesn't work most of the time. Just says 'Web Vitals are unavailable for this page'
The flickering numbers are distracting and cannot be disabled.

Most mentioned

Doesn't work most of the time. Just says 'Web Vitals are unavailable for this page'
The flickering numbers are distracting and cannot be disabled.
It shows the CLS score. That's a big help.

User reviews

First Input Delay Waiting for input… It still working after 4 hours, no indicator in %, just standing there while all the other measurements finished their job on time.

Vesna K., 2024-08-17

李LONGFEI, 2024-07-24

Works wonderfully well

Jovan Ralić, 2024-06-25

View all user reviews

Extension safety

Risk impact

Web Vitals requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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