---
title: "M.I.T GROUP - H Tag Checker – Chrome extension stats, history and permissions"
description: "222 users, rated 5.00 by 2 people. Version 4.0, updated 2024-12-18. Requests 2 permissions."
url: "https://extensiontracker.com/extension/nkkajkbkfgdnoheibaedfhghjklnjllh"
---

# M.I.T GROUP - H Tag Checker

Live in the Chrome Web Store.

- Users: 222
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 06:21 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #47,914 of 264,703 live extensions
- Rank in Developer Tools: #4,181 of 27,615

## The listing

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

Summary from the listing:

> This extension checks the heading tags (h1, h2, h3, etc.) on a webpage.

- Extension ID: `nkkajkbkfgdnoheibaedfhghjklnjllh`
- Developer: [M.I.T GROUP](https://extensiontracker.com/developer/u99885f499f104f5b46ed679efd73da27)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2024-12-18
- Last updated: 2024-12-18
- Version: `4.0`
- Size: 59.88 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `ketoanvungtau.com`
- Support page: `https://ketoanvungtau.com/lien-he/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/mit-group-h-tag-checker/nkkajkbkfgdnoheibaedfhghjklnjllh>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fnkkajkbkfgdnoheibaedfhghjklnjllh>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 222 | 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.

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [TradingView Multi TF Launcher](https://extensiontracker.com/extension/cgkicgiiiololomgmififfhaolhlnlpm) | 12 | 4.00 | 4 | Tools |
| [CAFE PHỐ WALL VŨNG TÀU - H Tag Checker](https://extensiontracker.com/extension/pkofogeeallibjlcjinckammmlnakigi) | 10 | – | – | Developer Tools |
| [Thành Lập Công Ty \| M.I.T GROUP VN - Dark Mode Extension](https://extensiontracker.com/extension/imdkodkoelnimhabjijhicebieihbllp) | 6 | 5.00 | 2 | Functionality & UI |
| [M.I.T GROUP](https://extensiontracker.com/extension/mebmndglalahpgmindhocfppnpegoajc) | 6 | 5.00 | 5 | Workflow & Planning |
| [Thành Lập Công Ty M.I.T GROUP .NET - Dark Mode Extension](https://extensiontracker.com/extension/edmiljfplijoojambleepafjkloogaeg) | 5 | 5.00 | 2 | Workflow & Planning |

All 6 extensions by [M.I.T GROUP](https://extensiontracker.com/developer/u99885f499f104f5b46ed679efd73da27).

## 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 06:21 UTC; next check around 2026-10-26.

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

## Cite this page

Extension Tracker. “M.I.T GROUP - H Tag Checker” (nkkajkbkfgdnoheibaedfhghjklnjllh). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/nkkajkbkfgdnoheibaedfhghjklnjllh. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_nkkajkbkfgdnoheibaedfhghjklnjllh,
  title   = {M.I.T GROUP - H Tag Checker (nkkajkbkfgdnoheibaedfhghjklnjllh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/nkkajkbkfgdnoheibaedfhghjklnjllh},
  urldate = {2026-09-28}
}
```

---

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