Web Vitals

Web Vitals

Edge Extension for Measuring Core Web Vitals and UX Quality Signals

What is Web Vitals?

Web Vitals is an Edge add-on by ssemisoft@gmail.com. This add-on has 405 active users and a good user rating of 4.20. The latest version,, was updated 6 months ago.

Users: 405 ▲ 33
Rating: 4.20 (14)
Version: (Last updated: 2023-09-16)
Creation date: 2023-09-16
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
  • tabs
  • storage
  • activeTab
  • scripting
  • cookies
Host permissions:
  • *://*/*
Size: 401.56K
Stats date:

Other platforms

Not available on Chrome
Not available on Firefox
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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 Edge and reported to other Google tools (e.g. Edge User Experience Report, Page Speed Insights, Search Console).

The extension captures: Largest Contentful Paint Cumulative Layout Shift First Input Delay Interaction To Next Paint (experimental) First Contentful Paint Time To First Byte

The extension provides three core features:

  1. Ambient Badge - This helps check if a page passing the Core Web Vitals thresholds.

Once installed, the extension will display a disabled state badge icon until you navigate to a URL. At this point it will update the badge to green or red depending on whether the URL passes the Core Web Vitals metrics thresholds.

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User reviews
I was initially skeptical about the impact of Web Vitals on my site until I delved deeper. The metrics offered a comprehensive view of my website's performance, enabling me to make targeted improvements. It's a must-have tool for anyone serious about enhancing their online presence
by ffrebuff283, 2023-12-29

Tracking Core Web Vitals has helped me identify performance issues, thereby improving user experience. The insights provided were invaluable in optimizing my website for better speed and interactivity
by Carolina, 2023-12-29

I've implemented Web Vitals into my project and found that it provides a very comprehensive view of website performance. This helped me identify issues and significantly enhance the user experience
by Lorenza, 2023-12-28
View all user reviews
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 add-on. Review carefully before installing. We recommend that you only install Web Vitals if you trust the publisher.

Risk likelihood

Web Vitals is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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