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On the recordRead 11 Oct 202613 facts

Update Scanner

Visit sneakypete81.github.io Alternatives

Plans and prices

Update Scanner

Free

Firefox add-on · page-check frequency is configurable · minor changes can be ignored

Read 11 Oct 2026 · addons.mozilla.org

Every plan, in full

On the record

API access
Noaddons.mozilla.org · read 21 Sep 2026
Change display
Detected changes are highlighted automatically.addons.mozilla.org · read 11 Oct 2026
Check schedule
Users can select how often each site is scanned.addons.mozilla.org · read 11 Oct 2026
Current status
The maker says the extension was rewritten due to Firefox changes and that not all previous features are finished.sneakypete81.github.io · read 11 Oct 2026
Languages
The add-on listing describes full international support.addons.mozilla.org · read 11 Oct 2026
License
The listed license is GNU General Public License version 3.0 only.addons.mozilla.org · read 11 Oct 2026
Minor updates
Users can configure the scanner to ignore minor changes.sneakypete81.github.io · read 11 Oct 2026
Notifications
When an update is detected, a notification panel appears, and clicking it shows changes highlighted in yellow.sneakypete81.github.io · read 11 Oct 2026
Page list
Users can view updated pages from the toolbar and open a sidebar showing updated items in bold and their latest changes.sneakypete81.github.io · read 11 Oct 2026
Permissions
The listing says the add-on requires permission to display notifications, access browser tabs, and access data for all websites.addons.mozilla.org · read 11 Oct 2026
Purpose
Update Scanner monitors web pages for updates, including sites that do not provide Atom or RSS feeds.addons.mozilla.org · read 11 Oct 2026
Support
The maker directs users to the project's GitHub and Issues pages to help with the rewrite.sneakypete81.github.io · read 11 Oct 2026
Version history
The add-on listing shows version 4.4.0, last updated April 24, 2019.addons.mozilla.org · read 11 Oct 2026

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