---
title: "sGTM - add X-Gtm-Server-Preview Header – Chrome extension stats, history and permissions"
description: "288 users, rated 5.00 by 2 people. Version 1.1.1, updated 2026-09-17. Requests 4 permissions."
url: "https://extensiontracker.com/extension/noalljmmmkeagbllkcnpklbogbogmdka"
---

# sGTM - add X-Gtm-Server-Preview Header

Live in the Chrome Web Store.

- Users: 288
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 06:29 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #42,987 of 264,703 live extensions
- Rank in Developer Tools: #3,745 of 27,615

## The listing

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

Summary from the listing:

> GA4 & Server-Side Tag Manager debugging helper. This tool helps debug your tracking setup with two key features: 1. It adds the…

- Extension ID: `noalljmmmkeagbllkcnpklbogbogmdka`
- Developer: [Nikel](https://extensiontracker.com/developer/u73daffd17b47f7117c5b7fb7cc82693a)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2024-07-21
- Last updated: 2026-09-17
- Version: `1.1.1`
- Size: 678 KiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Chrome Web Store: <https://chromewebstore.google.com/detail/sgtm-add-x-gtm-server-pre/noalljmmmkeagbllkcnpklbogbogmdka>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fnoalljmmmkeagbllkcnpklbogbogmdka>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 288 | 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.

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

### Sites

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

### Browser features

- `alarms`: Run tasks on a schedule
- `declarativeNetRequest`: Block or change network requests, using rules
- `storage`: Save settings and data in your browser

## 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 06:29 UTC; next check around 2026-10-26.

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

## Cite this page

Extension Tracker. “sGTM - add X-Gtm-Server-Preview Header” (noalljmmmkeagbllkcnpklbogbogmdka). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/noalljmmmkeagbllkcnpklbogbogmdka. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_noalljmmmkeagbllkcnpklbogbogmdka,
  title   = {sGTM - add X-Gtm-Server-Preview Header (noalljmmmkeagbllkcnpklbogbogmdka)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/noalljmmmkeagbllkcnpklbogbogmdka},
  urldate = {2026-09-28}
}
```

---

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