---
title: "CSS and XPath checker – Chrome extension stats, history and permissions"
description: "20,000 users, rated 2.78 by 45 people. Version 0.25.1, updated 2026-05-10. Requests 3 permissions."
url: "https://extensiontracker.com/extension/aoinfihhckpkkcpholfhmkeplbhddipe"
---

# CSS and XPath checker

Live in the Chrome Web Store.

- Users: 20,000
- Rating: 2.78 from 45 ratings
- Last checked: 2026-09-28 09:58 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #3,974 of 264,702 live extensions
- Rank in Developer Tools: #356 of 27,615

## The listing

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

Summary from the listing:

> A helper tool for to confirm CSS and XPath selector.

- Extension ID: `aoinfihhckpkkcpholfhmkeplbhddipe`
- Developer: [taniguchi.takaki](https://extensiontracker.com/developer/uf16ca066c56af3443a42bea2a6d029bf)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2013-01-16
- Last updated: 2026-05-10
- Version: `0.25.1`
- Size: 22.57 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `takaki-web.media-as.org`
- Support page: `https://gitlab.com/takatan/cxchecker-extension`
- Chrome Web Store: <https://chromewebstore.google.com/detail/css-and-xpath-checker/aoinfihhckpkkcpholfhmkeplbhddipe>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=aoinfihhckpkkcpholfhmkeplbhddipe>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-28 | 20,000 | 2.78 | 45 |
| 2026-09-26 | 20,000 | 2.78 | 45 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## 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

- `http://*/*`: Every website
- `https://*/*`: Every website

### Sites where it runs scripts

- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `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 week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-28 09:58 UTC; next check around 2026-10-05.

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

## Cite this page

Extension Tracker. “CSS and XPath checker” (aoinfihhckpkkcpholfhmkeplbhddipe). Chrome Web Store data, last checked 2026-09-28. https://extensiontracker.com/extension/aoinfihhckpkkcpholfhmkeplbhddipe. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_aoinfihhckpkkcpholfhmkeplbhddipe,
  title   = {CSS and XPath checker (aoinfihhckpkkcpholfhmkeplbhddipe)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-28},
  url     = {https://extensiontracker.com/extension/aoinfihhckpkkcpholfhmkeplbhddipe},
  urldate = {2026-09-28}
}
```

---

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