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Watchdog - Web Page Change Monitor

Chrome extension by Osama Youssef · Productivity · Tools

A Chrome extension in Productivity · Tools with 85 users, barely installed. Audience over the last 30 days: +28.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
85
Rating
5.0 (1 ratings)
Users, last 30 days
+28
Rating, last 30 days
Steady over 30 days
Version
2.0.0
Updated in the store
2026-04-15
Published
2026-04-15
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+28 since 28.09
57-85 · 17 readings
  1. 2026-09-2857
  2. 2026-10-0469
  3. 2026-10-0871
  4. 2026-10-0972
  5. 2026-10-1071
  6. 2026-10-1368
  7. 2026-10-1671
  8. 2026-10-1772
  9. 2026-10-1973
  10. 2026-10-2071
  11. 2026-10-2172
  12. 2026-10-2270
  13. 2026-10-2375
  14. 2026-10-2481
  15. 2026-10-2579
  16. 2026-10-2681
  17. 2026-10-2885
Rating
unchanged since 28.09
reviewsrating 5.00 · 17 readings
  1. 2026-09-28reviews1rating5.00
  2. 2026-10-04reviews1rating5.00
  3. 2026-10-08reviews1rating5.00
  4. 2026-10-09reviews1rating5.00
  5. 2026-10-10reviews1rating5.00
  6. 2026-10-13reviews1rating5.00
  7. 2026-10-16reviews1rating5.00
  8. 2026-10-17reviews1rating5.00
  9. 2026-10-19reviews1rating5.00
  10. 2026-10-20reviews1rating5.00
  11. 2026-10-21reviews1rating5.00
  12. 2026-10-22reviews1rating5.00
  13. 2026-10-23reviews1rating5.00
  14. 2026-10-24reviews1rating5.00
  15. 2026-10-25reviews1rating5.00
  16. 2026-10-26reviews1rating5.00
  17. 2026-10-28reviews1rating5.00
Users
+33 since 01.09
49-85 · 31 readings
  1. 2026-09-0152
  2. 2026-09-0249
  3. 2026-09-0450
  4. 2026-09-0651
  5. 2026-09-0752
  6. 2026-09-0854
  7. 2026-09-0951
  8. 2026-09-1053
  9. 2026-09-1355
  10. 2026-09-1559
  11. 2026-09-1658
  12. 2026-09-2057
  13. 2026-09-2156
  14. 2026-09-2658
  15. 2026-09-2857
  16. 2026-10-0469
  17. 2026-10-0871
  18. 2026-10-0972
  19. 2026-10-1071
  20. 2026-10-1368
  21. 2026-10-1671
  22. 2026-10-1772
  23. 2026-10-1973
  24. 2026-10-2071
  25. 2026-10-2172
  26. 2026-10-2270
  27. 2026-10-2375
  28. 2026-10-2481
  29. 2026-10-2579
  30. 2026-10-2681
  31. 2026-10-2885
Rating
unchanged since 01.09
reviewsrating 5.00 · 31 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00
  8. 2026-09-10reviews1rating5.00
  9. 2026-09-13reviews1rating5.00
  10. 2026-09-15reviews1rating5.00
  11. 2026-09-16reviews1rating5.00
  12. 2026-09-20reviews1rating5.00
  13. 2026-09-21reviews1rating5.00
  14. 2026-09-26reviews1rating5.00
  15. 2026-09-28reviews1rating5.00
  16. 2026-10-04reviews1rating5.00
  17. 2026-10-08reviews1rating5.00
  18. 2026-10-09reviews1rating5.00
  19. 2026-10-10reviews1rating5.00
  20. 2026-10-13reviews1rating5.00
  21. 2026-10-16reviews1rating5.00
  22. 2026-10-17reviews1rating5.00
  23. 2026-10-19reviews1rating5.00
  24. 2026-10-20reviews1rating5.00
  25. 2026-10-21reviews1rating5.00
  26. 2026-10-22reviews1rating5.00
  27. 2026-10-23reviews1rating5.00
  28. 2026-10-24reviews1rating5.00
  29. 2026-10-25reviews1rating5.00
  30. 2026-10-26reviews1rating5.00
  31. 2026-10-28reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 4

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Osama Youssef publishes 6 listings we track, 948 users between them.

  1. Water Tracker Osama Youssef · Lifestyle · Well Being · published 2023-01-05 745 users ★ 4.9
  2. DashDot AI – Plan. Focus. Achieve Osama Youssef · Productivity · Workflow · published 2024-09-30 44 users ★ 5.0
  3. AWS EC2s Osama Youssef · Productivity · Tools · published 2023-01-17 36 users ★ 5.0
Show 2 more from this publisher
  1. Kuby: K8s Navigator Osama Youssef · Productivity · Developer · published 2023-12-29 33 users ★ 5.0
  2. SpeakSurf AI Osama Youssef · Productivity · Workflow · published 2025-08-27 5 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. PagePeek — Website Change Monitor Describes nearly the same job, smaller audience 3 users
  2. Web Monitor Pro Describes nearly the same job, smaller audience 3 users (last published figure)
  3. PageWatch Pro - Website Change Monitor Describes nearly the same job, smaller audience 27 users
  4. Sincelast — Free Website Change Monitor & Price Tracker for Any Page Describes nearly the same job, smaller audience 8 users
  5. Smart Page Monitor Describes nearly the same job, smaller audience 5 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/blhmdhloopkgkpalmjonplonmnnhmdga/badge.svg)](https://extops.dev/extensions/blhmdhloopkgkpalmjonplonmnnhmdga)

HTML

<a href="https://extops.dev/extensions/blhmdhloopkgkpalmjonplonmnnhmdga"><img src="https://extops.dev/extensions/blhmdhloopkgkpalmjonplonmnnhmdga/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-28. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built