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Chrome extension by PetrificusTotalus · Productivity · Education

A Chrome extension in Productivity · Education with 30 users, barely installed. Audience over the last 30 days: +8.

Specific sites only: 1 match pattern.

What the developer says, and 1 screenshot

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

Users
30
Rating
5.0 (1 ratings)
Users, last 30 days
+8
Rating, last 30 days
Steady over 30 days
Version
1.0
Updated in the store
2025-10-28
Published
2025-10-28
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+8 since 01.10
21-30 · 15 readings
  1. 2026-10-0524
  2. 2026-10-0822
  3. 2026-10-0924
  4. 2026-10-1021
  5. 2026-10-1323
  6. 2026-10-1624
  7. 2026-10-1823
  8. 2026-10-1925
  9. 2026-10-2127
  10. 2026-10-2326
  11. 2026-10-2427
  12. 2026-10-2528
  13. 2026-10-2729
  14. 2026-10-2930
  15. 2026-10-3130
Rating
unchanged since 01.10
reviewsrating 5.00 · 15 readings
  1. 2026-10-05reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-18reviews1rating5.00
  8. 2026-10-19reviews1rating5.00
  9. 2026-10-21reviews1rating5.00
  10. 2026-10-23reviews1rating5.00
  11. 2026-10-24reviews1rating5.00
  12. 2026-10-25reviews1rating5.00
  13. 2026-10-27reviews1rating5.00
  14. 2026-10-29reviews1rating5.00
  15. 2026-10-31reviews1rating5.00
Users
+6 since 01.09
21-30 · 27 readings
  1. 2026-09-0124
  2. 2026-09-0421
  3. 2026-09-0522
  4. 2026-09-0721
  5. 2026-09-0822
  6. 2026-09-0923
  7. 2026-09-1327
  8. 2026-09-1528
  9. 2026-09-1722
  10. 2026-09-2521
  11. 2026-09-2623
  12. 2026-09-2822
  13. 2026-10-0524
  14. 2026-10-0822
  15. 2026-10-0924
  16. 2026-10-1021
  17. 2026-10-1323
  18. 2026-10-1624
  19. 2026-10-1823
  20. 2026-10-1925
  21. 2026-10-2127
  22. 2026-10-2326
  23. 2026-10-2427
  24. 2026-10-2528
  25. 2026-10-2729
  26. 2026-10-2930
  27. 2026-10-3130
Rating
unchanged since 01.09
reviewsrating 5.00 · 27 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-04reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-07reviews1rating5.00
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-17reviews1rating5.00
  10. 2026-09-25reviews1rating5.00
  11. 2026-09-26reviews1rating5.00
  12. 2026-09-28reviews1rating5.00
  13. 2026-10-05reviews1rating5.00
  14. 2026-10-08reviews1rating5.00
  15. 2026-10-09reviews1rating5.00
  16. 2026-10-10reviews1rating5.00
  17. 2026-10-13reviews1rating5.00
  18. 2026-10-16reviews1rating5.00
  19. 2026-10-18reviews1rating5.00
  20. 2026-10-19reviews1rating5.00
  21. 2026-10-21reviews1rating5.00
  22. 2026-10-23reviews1rating5.00
  23. 2026-10-24reviews1rating5.00
  24. 2026-10-25reviews1rating5.00
  25. 2026-10-27reviews1rating5.00
  26. 2026-10-29reviews1rating5.00
  27. 2026-10-31reviews1rating5.00

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

Specific sites only: 1 match pattern.

  • https://codeforces.com/*
  • 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

PetrificusTotalus.

Like this one

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

  1. CF UpsolveX Companion Describes nearly the same job, smaller audience 32 users ★ 5.0
  2. Codeforces tags checker Describes nearly the same job, smaller audience 289 users ★ 5.0
  3. CodeClimax Describes nearly the same job, smaller audience 9 users
  4. CFStreak Describes nearly the same job, smaller audience 648 users ★ 5.0
  5. LeekCF Rating Describes nearly the same job, smaller audience 314 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/mcgpohndfcmompgnnmnailcihndfeggb/badge.svg)](https://extops.dev/extensions/mcgpohndfcmompgnnmnailcihndfeggb)

HTML

<a href="https://extops.dev/extensions/mcgpohndfcmompgnnmnailcihndfeggb"><img src="https://extops.dev/extensions/mcgpohndfcmompgnnmnailcihndfeggb/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built