---
title: "Core Web Vitals Live – Chrome extension stats, history and permissions"
description: "128 users, no ratings yet. Version 1.0.0, updated 2026-04-29. Requests 4 permissions."
url: "https://extensiontracker.com/extension/ndccadkmooliilcoipkbggfbjhaapcme"
---

# Core Web Vitals Live

Live in the Chrome Web Store.

- Users: 128
- Rating: no ratings yet
- Last checked: 2026-09-27 06:03 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #59,874 of 264,703 live extensions
- Rank in Developer Tools: #5,330 of 27,615

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> See your website's performance. Live. Real-time LCP, INP, and CLS metrics with visual overlays.

- Extension ID: `ndccadkmooliilcoipkbggfbjhaapcme`
- Developer: [PageSpeed.ONE](https://extensiontracker.com/developer/u261b219371f9ec908b08bc6c22c102f5)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2026-03-25
- Last updated: 2026-04-29
- Version: `1.0.0`
- Size: 95.22 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `pagespeed.one`
- Support page: `https://github.com/PageSpeed-cz/Core-Web-Vitals-LIVE/issues`
- Chrome Web Store: <https://chromewebstore.google.com/detail/core-web-vitals-live/ndccadkmooliilcoipkbggfbjhaapcme>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fndccadkmooliilcoipkbggfbjhaapcme>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 128 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `debugger`: Use Chrome's debugger on your tabs, which gives full control of their pages
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 06:03 UTC; next check around 2026-10-23.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Core Web Vitals Live” (ndccadkmooliilcoipkbggfbjhaapcme). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ndccadkmooliilcoipkbggfbjhaapcme. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ndccadkmooliilcoipkbggfbjhaapcme,
  title   = {Core Web Vitals Live (ndccadkmooliilcoipkbggfbjhaapcme)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ndccadkmooliilcoipkbggfbjhaapcme},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ndccadkmooliilcoipkbggfbjhaapcme>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.