---
title: "Tracking & Personalized Advertising Opt-Out – Chrome extension stats, history and permissions"
description: "1 users, rated 5.00 by 1 person. Version 1.0.0, updated 2026-09-09. Requests 0 permissions."
url: "https://extensiontracker.com/extension/didkfgehllajpcjeflnoblhodkpjfchh"
---

# Tracking & Personalized Advertising Opt-Out

Live in the Chrome Web Store.

- Users: 1
- Rating: 5.00 from 1 rating
- Last checked: 2026-10-09 12:31 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #250,643 of 289,025 live extensions
- Rank in Privacy & Security: #4,645 of 5,611

## The listing

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

Summary from the listing:

> Opt out of personalized advertising and tracking for campaigns powered by LeadRaum.

- Extension ID: `didkfgehllajpcjeflnoblhodkpjfchh`
- Developer: [Von Alster & Alb GmbH](https://extensiontracker.com/developer/uc37328181290f32fa84f2aaa249393ef)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Make Chrome Yours › Privacy & Security](https://extensiontracker.com/category/make_chrome_yours/privacy)
- First published: 2026-09-09
- Last updated: 2026-09-09
- Version: `1.0.0`
- Size: 18.08 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `leadraum.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/tracking-personalized-adv/didkfgehllajpcjeflnoblhodkpjfchh>
- View its code or download CRX: <https://crxpeek.com/extension/didkfgehllajpcjeflnoblhodkpjfchh>
- Search Google for the ID: <https://www.google.com/search?q=%22didkfgehllajpcjeflnoblhodkpjfchh%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-10-09 | 1 | 5.00 | 1 |
| 2026-09-26 | – | 5.00 | 1 |

## What changed

Every change found on a check, newest first.

- 2026-10-09: The developer's contact email changed.

## Developer history

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

- 2026-10-09: The contact email changed.

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.

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

### Sites where it runs scripts

- `<all_urls>`: Every website

## 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 2026-10-09 12:31 UTC; next check around 2026-11-10.

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

## Cite this page

Extension Tracker. “Tracking & Personalized Advertising Opt-Out” (didkfgehllajpcjeflnoblhodkpjfchh). Chrome Web Store data, last checked 2026-10-09. https://extensiontracker.com/extension/didkfgehllajpcjeflnoblhodkpjfchh. Accessed 2026-11-08.

```bibtex
@misc{extensiontracker_didkfgehllajpcjeflnoblhodkpjfchh,
  title   = {Tracking & Personalized Advertising Opt-Out (didkfgehllajpcjeflnoblhodkpjfchh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-09},
  url     = {https://extensiontracker.com/extension/didkfgehllajpcjeflnoblhodkpjfchh},
  urldate = {2026-11-08}
}
```

---

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