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SiteLockNow - Website Focus Blocker

Chrome extension by yu · Productivity · Tools

A Chrome extension in Productivity · Tools with 16 users, barely installed. Audience over the last 30 days: -3.

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

What the developer says, and 4 screenshots

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

Users
16
Rating
not rated yet
Users, last 30 days
-3
Version
1.0
Updated in the store
2025-05-06
Published
2025-05-02
Manifest
V3
Browser access
4 permissions

How it has moved

Users
-3 since 11.09
16-21 · 11 readings
  1. 2026-09-1320
  2. 2026-09-1521
  3. 2026-09-1720
  4. 2026-09-2021
  5. 2026-09-2220
  6. 2026-09-2519
  7. 2026-09-2817
  8. 2026-10-0420
  9. 2026-10-0818
  10. 2026-10-1017
  11. 2026-10-1116
Users
-1 since 01.09
16-21 · 19 readings
  1. 2026-09-0117
  2. 2026-09-0216
  3. 2026-09-0317
  4. 2026-09-0519
  5. 2026-09-0620
  6. 2026-09-0719
  7. 2026-09-0820
  8. 2026-09-1019
  9. 2026-09-1320
  10. 2026-09-1521
  11. 2026-09-1720
  12. 2026-09-2021
  13. 2026-09-2220
  14. 2026-09-2519
  15. 2026-09-2817
  16. 2026-10-0420
  17. 2026-10-0818
  18. 2026-10-1017
  19. 2026-10-1116

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

yu publishes 16 listings we track, 2k users between them.

  1. Lazy Favorites:Time-driven favorites tool yu · Productivity · Tools · published 2014-03-30 814 users ★ 4.5
  2. Cookie Manager yu · Productivity · Developer · published 2013-07-19 619 users ★ 4.0
  3. ZhiNang.ai - AI assistant from anypage yu · Productivity · Tools · published 2023-03-20 252 users ★ 4.9
Show 5 more from this publisher
  1. Universal Status Bar yu · Productivity · Tools · published 2025-05-12 224 users ★ 5.0
  2. Page Color Mode Switcher yu · Productivity · Tools · published 2025-05-10 205 users ★ 5.0
  3. Cookie Manager yu · Productivity · Tools · published 2025-05-04 85 users
  4. Stealth Browsing Assistant yu · Productivity · Tools · published 2025-05-09 51 users
  5. Website Color Palette Extractor yu · Productivity · Developer · published 2025-05-12 35 users

Like this one

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

  1. BlockAid: Website Blocker Describes nearly the same job, smaller audience 89 users ★ 3.0
  2. Focus Scope - Smart Website Blocker Describes nearly the same job, smaller audience 13 users
  3. Website Blocker - Schedule & Breaks Describes nearly the same job, smaller audience 32 users ★ 5.0
  4. DzenBlock - Website Blocker for Productivity Describes nearly the same job, smaller audience 29 users
  5. focuscape Website Blocker Describes nearly the same job, smaller audience 7 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

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-11. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built