---
title: "Watchdog - Web Page Change Monitor – Chrome extension stats, history and permissions"
description: "81 users, rated 5.00 by 1 person. Version 2.0.0, updated 2026-04-15. Requests 8 permissions."
url: "https://extensiontracker.com/extension/blhmdhloopkgkpalmjonplonmnnhmdga"
---

# Watchdog - Web Page Change Monitor

Live in the Chrome Web Store.

- Users: 81
- Rating: 5.00 from 1 rating
- Last checked: 2026-10-23 22:10 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: +23 (+39.7%)
- Rank by users: #72,789 of 292,130 live extensions
- Rank in Tools: #23,793 of 115,640

## The listing

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

Summary from the listing:

> Web page change monitor & detector. Track any element, get instant alerts, view change history & auto-persist watchers.

- Extension ID: `blhmdhloopkgkpalmjonplonmnnhmdga`
- Developer: [Osama Youssef](https://extensiontracker.com/developer/u40540c40193fad2e2df6cf42e8e4180e)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-04-15
- Last updated: 2026-04-15
- Version: `2.0.0`
- Size: 36.43 KiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/watchdog-web-page-change/blhmdhloopkgkpalmjonplonmnnhmdga>
- View its code or download CRX: <https://crxpeek.com/extension/blhmdhloopkgkpalmjonplonmnnhmdga>
- Search Google for the ID: <https://www.google.com/search?q=%22blhmdhloopkgkpalmjonplonmnnhmdga%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-10-23 | 81 | 5.00 | 1 |
| 2026-09-26 | 58 | 5.00 | 1 |

## What changed

Every change found on a check, newest first.

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

## Developer history

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

No move to another account and no new contact email since tracking began on 2026-09-26.

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

- `<all_urls>`: Every website

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `notifications`: Show notifications
- `offscreen`: Open a hidden page for background work
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Water Tracker](https://extensiontracker.com/extension/hieljicjokcedlioilnbljjbbocifknj) | 742 | 5.00 | 6 | Well-being |
| [DashDot AI – Plan. Focus. Achieve](https://extensiontracker.com/extension/cchfkkgnanpaeibglebgpjcfbdmdaadf) | 42 | 5.00 | 4 | Workflow & Planning |
| [AWS EC2s](https://extensiontracker.com/extension/fnhnaoldjnhbdbkdaabccgbinnhficbg) | 36 | 5.00 | 2 | Tools |
| [Kuby: K8s Navigator](https://extensiontracker.com/extension/knjlbjpajfdjondmceoppnjehlcimbom) | 35 | 5.00 | 1 | Developer Tools |
| [SpeakSurf AI](https://extensiontracker.com/extension/oehomnfeldmhplpngfdlmccimbpeipep) | 4 | 5.00 | 3 | Workflow & Planning |

All 6 extensions by [Osama Youssef](https://extensiontracker.com/developer/u40540c40193fad2e2df6cf42e8e4180e).

## 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 2026-10-23 22:10 UTC; next check around 2026-11-21.

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

## Cite this page

Extension Tracker. “Watchdog - Web Page Change Monitor” (blhmdhloopkgkpalmjonplonmnnhmdga). Chrome Web Store data, last checked 2026-10-23. https://extensiontracker.com/extension/blhmdhloopkgkpalmjonplonmnnhmdga. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_blhmdhloopkgkpalmjonplonmnnhmdga,
  title   = {Watchdog - Web Page Change Monitor (blhmdhloopkgkpalmjonplonmnnhmdga)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-23},
  url     = {https://extensiontracker.com/extension/blhmdhloopkgkpalmjonplonmnnhmdga},
  urldate = {2026-11-13}
}
```

---

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