---
title: "CrUX Core Web Vitals Viewer – Chrome extension stats, history and permissions"
description: "17 users, no ratings yet. Version 1.0, updated 2026-02-19. Requests 2 permissions."
url: "https://extensiontracker.com/extension/megobkhiidkflkdodcmbccccnfpoenoo"
---

# CrUX Core Web Vitals Viewer

Live in the Chrome Web Store.

- Users: 17
- Rating: no ratings yet
- Last checked: 2026-11-11 16:13 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #129,229 of 292,131 live extensions
- Rank in Developer Tools: #13,154 of 30,442

## The listing

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

Summary from the listing:

> View CrUX Core Web Vitals for the current page and site.

- Extension ID: `megobkhiidkflkdodcmbccccnfpoenoo`
- Developer: [MichaelCottam](https://extensiontracker.com/developer/uf3fbefe490205a948bc1df3a798cdd3d)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2026-02-19
- Last updated: 2026-02-19
- Version: `1.0`
- Size: 13.74 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `michaelcottam.com`
- Support page: `https://www.michaelcottam.com/crux-metrics/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/crux-core-web-vitals-view/megobkhiidkflkdodcmbccccnfpoenoo>
- View its code or download CRX: <https://crxpeek.com/extension/megobkhiidkflkdodcmbccccnfpoenoo>
- Search Google for the ID: <https://www.google.com/search?q=%22megobkhiidkflkdodcmbccccnfpoenoo%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-11 | 17 | – | – |
| 2026-10-10 | 17 | – | – |
| 2026-09-27 | 18 | – | – |

## What changed

Every change found on a check, newest first.

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

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Image Hover Inspector](https://extensiontracker.com/extension/iiheomiejfdkcajonlbbiekehngbelje) | 47 | 5.00 | 1 | Developer Tools |
| [Cooked.Wiki Recipe Sanitizer](https://extensiontracker.com/extension/nelmgcmnpdligpnanfghamnblciiagkf) | 20 | – | – | Household |
| [Speed Test Launcher](https://extensiontracker.com/extension/iolekcbilflobfcpoofbohjlijmfcmgk) | 13 | – | – | Developer Tools |
| [Links On The Page](https://extensiontracker.com/extension/kgknkmopjommjcccmjmfbjagolocgfbj) | 11 | – | – | Developer Tools |
| [Page Info Extractor](https://extensiontracker.com/extension/fejkjkejnmminijkofgdjaalfpllcaah) | 10 | – | – | Developer Tools |
| [Semrush Backlinks Overview (Popup)](https://extensiontracker.com/extension/njiaidpiggbgmnbioaonnhpfjidcjphe) | 10 | – | – | Developer Tools |
| [Word Counter](https://extensiontracker.com/extension/ejkojhnmpfnmbpaipbajkpijfgcehjmf) | 6 | – | – | Developer Tools |
| [Open Graph + Twitter Tag Inspector](https://extensiontracker.com/extension/gjmpmmgdbajomcmglmnneeijnfclajbc) | 6 | – | – | Developer Tools |
| [LinkFBI Blacklist Checker](https://extensiontracker.com/extension/hdibnepgknfhijjhoeimlchoicaojfkm) | 6 | – | – | Developer Tools |
| [Foreground Image Inspector](https://extensiontracker.com/extension/kfegnfplbdpekllldmmhijmbbggkemia) | 6 | – | – | Developer Tools |

All 11 extensions by [MichaelCottam](https://extensiontracker.com/developer/uf3fbefe490205a948bc1df3a798cdd3d).

## 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 2026-11-11 16:13 UTC; next check around 2026-12-14.

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

## Cite this page

Extension Tracker. “CrUX Core Web Vitals Viewer” (megobkhiidkflkdodcmbccccnfpoenoo). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/megobkhiidkflkdodcmbccccnfpoenoo. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_megobkhiidkflkdodcmbccccnfpoenoo,
  title   = {CrUX Core Web Vitals Viewer (megobkhiidkflkdodcmbccccnfpoenoo)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/megobkhiidkflkdodcmbccccnfpoenoo},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/megobkhiidkflkdodcmbccccnfpoenoo>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.