# Page Change Watcher

> Watch any web pages in the background and get a notification when they change. Compare the whole page by default or a specific CSS selector, with preset or custom check intervals.

Canonical page: [https://chrome-stats.com/d/pagechangewatcher](https://chrome-stats.com/d/pagechangewatcher)

## Overview

- **ID:** `pagechangewatcher`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Tollerson D.
- **Category:** web-development,appearance
- **Daily users:** 1
- **Version:** 1.3.0
- **Last updated:** 2026-07-03
- **First published:** 2026-06-30
- **Size:** 32 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pagechangewatcher/)

## Rankings

- #110,692 — Overall
- #231 — exchange

## Permissions and access

### Permissions

- `alarms`
- `notifications`
- `storage`
- `tabs`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Site Change Monitor](https://chrome-stats.com/d/site-change-monitor) — 2 users
- [Page Change Watcher](https://chrome-stats.com/d/page-change-watcher) — 19 users
- [PCM - Page Change Monitor](https://chrome-stats.com/d/pcm-page-change-monitor) — 13 users, 3.00 / 5
- [PageWatch — Automatic Page Monitor](https://chrome-stats.com/d/pagewatch-page-monitor) — 2 users
- [Vigil Page Change Monitor](https://chrome-stats.com/d/vigil-page-change-monitor) — 3 users
- [PageWatch & Refresh](https://chrome-stats.com/d/pagewatch-refresh) — 1 users
- [Page Change Sentinel](https://chrome-stats.com/d/page-change-sentinel)
- [Page Style Monitor](https://chrome-stats.com/d/ff38899147bb44ac8d69) — 1 users
- [PageCrawl - Web Change Monitor](https://chrome-stats.com/d/pagecrawl-web-change-monitor) — 10 users, 5.00 / 5
- [Text Monitor](https://chrome-stats.com/d/text-monitor) — 1 users
- [Simple Page Text Monitor](https://chrome-stats.com/d/simple-page-text-monitor) — 2.00 / 5
- [PageMonitor](https://chrome-stats.com/d/pagemonitor) — 6 users, 1.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/pagechangewatcher)