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CKA Exam Lockdown

Chrome extension by Reformer Ejembi · Productivity · Education

A Chrome extension in Productivity · Education with 110 users, barely installed. Audience over the last 30 days: +33.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

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

Users
110
Rating
not rated yet
Users, last 30 days
+33
Version
1.1.26
Updated in the store
2026-09-14
Published
2026-03-18
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
+33 since 01.10
77-155 · 17 readings
  1. 2026-10-04126
  2. 2026-10-08130
  3. 2026-10-09146
  4. 2026-10-10142
  5. 2026-10-11127
  6. 2026-10-16155
  7. 2026-10-17149
  8. 2026-10-18148
  9. 2026-10-19151
  10. 2026-10-21145
  11. 2026-10-22150
  12. 2026-10-23151
  13. 2026-10-24142
  14. 2026-10-25146
  15. 2026-10-27140
  16. 2026-10-29110
  17. 2026-10-31110
Users
+110 since 01.09
0-155 · 29 readings
2026-09-15: released 1.1.26
  1. 2026-09-010
  2. 2026-09-0639
  3. 2026-09-0743
  4. 2026-09-0844
  5. 2026-09-1043
  6. 2026-09-1339
  7. 2026-09-1745
  8. 2026-09-2046
  9. 2026-09-2245
  10. 2026-09-2554
  11. 2026-09-2774
  12. 2026-09-2877
  13. 2026-10-04126
  14. 2026-10-08130
  15. 2026-10-09146
  16. 2026-10-10142
  17. 2026-10-11127
  18. 2026-10-16155
  19. 2026-10-17149
  20. 2026-10-18148
  21. 2026-10-19151
  22. 2026-10-21145
  23. 2026-10-22150
  24. 2026-10-23151
  25. 2026-10-24142
  26. 2026-10-25146
  27. 2026-10-27140
  28. 2026-10-29110
  29. 2026-10-31110

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

Specific sites only: 2 match patterns.

  • https://script.google.com/*
  • https://script.googleusercontent.com/*
  • 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 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.1.26 · Asked for more permissions (6, was 3)

What changed recently

  1. Package size changed
  2. Asked for more permissions (6, was 3)
  3. Released version 1.1.26 (was 1.0.0)

The publisher

Reformer Ejembi publishes 3 listings we track, 243 users between them.

  1. CRC Exam Lockdown Reformer Ejembi · Productivity · Education · published 2026-03-26 131 users
  2. ZenBlock Reformer Ejembi · Make Chrome Yours · Privacy · published 2026-09-12 2 users (last published figure)

Like this one

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

  1. GDG Exam Proctor Describes nearly the same job, smaller audience 52 users
  2. CRC Exam Lockdown Describes nearly the same job, smaller audience 131 users
  3. ExamLock Describes nearly the same job, smaller audience 20 users
  4. iProctor Extension - Assess App Describes nearly the same job, smaller audience 1k users ★ 4.5
  5. Tutelage SentinelExam Guard Describes nearly the same job, smaller audience 15 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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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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built