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Block Site: Site Blocker & Focus Mode

Chrome extension by Site Blocker App · Productivity · Workflow

  • Featured
  • Established publisher

A Chrome extension in Productivity · Workflow with 200 000 users, a widely installed extension. Audience over the last 30 days: unchanged.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 5 screenshots

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

Users
200 000
Rating
4.8 (2 845 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 100 000, so it moves only between steps)
Rating, last 30 days
+0.10 in 30 days
Version
1.0.13
Updated in the store
2026-08-03
Published
2023-01-12
Manifest
V3
Browser access
4 permissions

How it has moved

Users
unchanged since 01.10
200k · 21 readings
  1. 2026-10-04200k
  2. 2026-10-08200k
  3. 2026-10-09200k
  4. 2026-10-10200k
  5. 2026-10-13200k
  6. 2026-10-14200k
  7. 2026-10-16200k
  8. 2026-10-17200k
  9. 2026-10-18200k
  10. 2026-10-19200k
  11. 2026-10-20200k
  12. 2026-10-21200k
  13. 2026-10-22200k
  14. 2026-10-23200k
  15. 2026-10-24200k
  16. 2026-10-25200k
  17. 2026-10-26200k
  18. 2026-10-28200k
  19. 2026-10-29200k
  20. 2026-10-30200k
  21. 2026-10-31200k
Rating
+0.10 since 01.10
reviewsrating 4.74-4.84 · 21 readings
  1. 2026-10-04reviews2.8krating4.74
  2. 2026-10-08reviews2.8krating4.74
  3. 2026-10-09reviews2.8krating4.74
  4. 2026-10-10reviews2.8krating4.74
  5. 2026-10-13reviews2.8krating4.74
  6. 2026-10-14reviews2.8krating4.75
  7. 2026-10-16reviews2.8krating4.75
  8. 2026-10-17reviews2.8krating4.76
  9. 2026-10-18reviews2.8krating4.76
  10. 2026-10-19reviews2.8krating4.76
  11. 2026-10-20reviews2.8krating4.76
  12. 2026-10-21reviews2.8krating4.76
  13. 2026-10-22reviews2.8krating4.76
  14. 2026-10-23reviews2.8krating4.77
  15. 2026-10-24reviews2.8krating4.77
  16. 2026-10-25reviews2.8krating4.77
  17. 2026-10-26reviews2.8krating4.77
  18. 2026-10-28reviews2.8krating4.81
  19. 2026-10-29reviews2.8krating4.82
  20. 2026-10-30reviews2.8krating4.84
  21. 2026-10-31reviews2.8krating4.84
Users
unchanged since 01.09
200k · 36 readings
  1. 2026-09-01200k
  2. 2026-09-03200k
  3. 2026-09-04200k
  4. 2026-09-05200k
  5. 2026-09-06200k
  6. 2026-09-07200k
  7. 2026-09-09200k
  8. 2026-09-13200k
  9. 2026-09-15200k
  10. 2026-09-16200k
  11. 2026-09-21200k
  12. 2026-09-22200k
  13. 2026-09-25200k
  14. 2026-09-26200k
  15. 2026-09-28200k
  16. 2026-10-04200k
  17. 2026-10-08200k
  18. 2026-10-09200k
  19. 2026-10-10200k
  20. 2026-10-13200k
  21. 2026-10-14200k
  22. 2026-10-16200k
  23. 2026-10-17200k
  24. 2026-10-18200k
  25. 2026-10-19200k
  26. 2026-10-20200k
  27. 2026-10-21200k
  28. 2026-10-22200k
  29. 2026-10-23200k
  30. 2026-10-24200k
  31. 2026-10-25200k
  32. 2026-10-26200k
  33. 2026-10-28200k
  34. 2026-10-29200k
  35. 2026-10-30200k
  36. 2026-10-31200k
Rating
+0.11 since 01.09
reviewsrating 4.73-4.84 · 36 readings
  1. 2026-09-01reviews2.7krating4.73
  2. 2026-09-03reviews2.7krating4.73
  3. 2026-09-04reviews2.7krating4.73
  4. 2026-09-05reviews2.7krating4.73
  5. 2026-09-06reviews2.7krating4.73
  6. 2026-09-07reviews2.7krating4.73
  7. 2026-09-09reviews2.7krating4.74
  8. 2026-09-13reviews2.7krating4.74
  9. 2026-09-15reviews2.7krating4.74
  10. 2026-09-16reviews2.7krating4.74
  11. 2026-09-21reviews2.7krating4.74
  12. 2026-09-22reviews2.7krating4.74
  13. 2026-09-25reviews2.7krating4.74
  14. 2026-09-26reviews2.8krating4.74
  15. 2026-09-28reviews2.8krating4.74
  16. 2026-10-04reviews2.8krating4.74
  17. 2026-10-08reviews2.8krating4.74
  18. 2026-10-09reviews2.8krating4.74
  19. 2026-10-10reviews2.8krating4.74
  20. 2026-10-13reviews2.8krating4.74
  21. 2026-10-14reviews2.8krating4.75
  22. 2026-10-16reviews2.8krating4.75
  23. 2026-10-17reviews2.8krating4.76
  24. 2026-10-18reviews2.8krating4.76
  25. 2026-10-19reviews2.8krating4.76
  26. 2026-10-20reviews2.8krating4.76
  27. 2026-10-21reviews2.8krating4.76
  28. 2026-10-22reviews2.8krating4.76
  29. 2026-10-23reviews2.8krating4.77
  30. 2026-10-24reviews2.8krating4.77
  31. 2026-10-25reviews2.8krating4.77
  32. 2026-10-26reviews2.8krating4.77
  33. 2026-10-28reviews2.8krating4.81
  34. 2026-10-29reviews2.8krating4.82
  35. 2026-10-30reviews2.8krating4.84
  36. 2026-10-31reviews2.8krating4.84

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • See the address and title of every tab you have open tabs
  • See when you navigate between pages webNavigation
  • Schedule work to run later alarms
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

Site Blocker App. Listed website: blockerwebsite.com.

Like this one

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

  1. FocusGuard - Block Site & Focus Mode Describes nearly the same job, with a large installed audience 100k users ★ 4.7
  2. LockedIn — Website blocker for productivity Describes nearly the same job, smaller audience 5 users ★ 5.0
  3. BlockSite Pomodoro: Block Sites & Focus Describes nearly the same job, smaller audience 516 users ★ 5.0
  4. Block & Focus Describes nearly the same job, with an established audience 10k users ★ 4.7
  5. Focus Blocker Describes nearly the same job, smaller audience 5 users ★ 5.0

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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Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/dpfofggmkhdbfcciajfdphofclabnogo"><img src="https://extops.dev/extensions/dpfofggmkhdbfcciajfdphofclabnogo/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 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built