---
title: "UX-Ray by Baymard: UX Issue Scanner – Chrome extension stats, history and permissions"
description: "749 users, rated 5.00 by 2 people. Version 0.1.2, updated 2026-09-24. Requests 11 permissions."
url: "https://extensiontracker.com/extension/mcaoobnddkaehjpjamihmelkhmoajnda"
---

# UX-Ray by Baymard: UX Issue Scanner

Live in the Chrome Web Store.

- Users: 749
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 05:22 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #28,126 of 264,703 live extensions
- Rank in Functionality & UI: #1,072 of 10,900

## The listing

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

Summary from the listing:

> Analyze your site against Baymard's research-backed UX best practices. Identify critical usability issues that hurt conversions.

- Extension ID: `mcaoobnddkaehjpjamihmelkhmoajnda`
- Developer: [Baymard](https://extensiontracker.com/developer/u238b3ed893c2edca2fbafa019018004c)
- Category: [Make Chrome Yours › Functionality & UI](https://extensiontracker.com/category/make_chrome_yours/functionality)
- First published: 2026-07-08
- Last updated: 2026-09-24
- Version: `0.1.2`
- Size: 483 KiB
- Minimum Chrome: 88
- Languages (1): English (United Kingdom)
- Website: `baymard.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/ux-ray-by-baymard-ux-issu/mcaoobnddkaehjpjamihmelkhmoajnda>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fmcaoobnddkaehjpjamihmelkhmoajnda>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 749 | 5.00 | 2 |

## 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.

### Sites

- `https://*.s3.amazonaws.com/*`: s3.amazonaws.com and its subdomains
- `https://baymard.com/*`: baymard.com
- `https://s3.amazonaws.com/*`: s3.amazonaws.com
- `https://www.baymard.com/*`: www.baymard.com

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `debugger`: Use Chrome's debugger on your tabs, which gives full control of their pages
- `scripting`: Run scripts on sites it can reach
- `sidePanel`: Show a side panel
- `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 05:22 UTC; next check around 2026-10-27.

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

## Cite this page

Extension Tracker. “UX-Ray by Baymard: UX Issue Scanner” (mcaoobnddkaehjpjamihmelkhmoajnda). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/mcaoobnddkaehjpjamihmelkhmoajnda. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_mcaoobnddkaehjpjamihmelkhmoajnda,
  title   = {UX-Ray by Baymard: UX Issue Scanner (mcaoobnddkaehjpjamihmelkhmoajnda)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/mcaoobnddkaehjpjamihmelkhmoajnda},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/mcaoobnddkaehjpjamihmelkhmoajnda>. 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`.