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BOJ Performance

Chrome extension by Kyunghyun Kang · Productivity · Developer

A Chrome extension in Productivity · Developer with 29 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 1 match pattern.

What the developer says, and 2 screenshots

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

Users
29
Rating
5.0 (1 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.0.4
Updated in the store
2026-03-24
Published
2026-02-03
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+1 since 03.10
26-31 · 19 readings
  1. 2026-10-0430
  2. 2026-10-0829
  3. 2026-10-0931
  4. 2026-10-1029
  5. 2026-10-1128
  6. 2026-10-1627
  7. 2026-10-1928
  8. 2026-10-2027
  9. 2026-10-2128
  10. 2026-10-2227
  11. 2026-10-2326
  12. 2026-10-2427
  13. 2026-10-2526
  14. 2026-10-2627
  15. 2026-10-2829
  16. 2026-10-2928
  17. 2026-10-3030
  18. 2026-11-0128
  19. 2026-11-0229
Rating
unchanged since 03.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-11reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-19reviews1rating5.00
  8. 2026-10-20reviews1rating5.00
  9. 2026-10-21reviews1rating5.00
  10. 2026-10-22reviews1rating5.00
  11. 2026-10-23reviews1rating5.00
  12. 2026-10-24reviews1rating5.00
  13. 2026-10-25reviews1rating5.00
  14. 2026-10-26reviews1rating5.00
  15. 2026-10-28reviews1rating5.00
  16. 2026-10-29reviews1rating5.00
  17. 2026-10-30reviews1rating5.00
  18. 2026-11-01reviews1rating5.00
  19. 2026-11-02reviews1rating5.00
Users
+4 since 01.09
25-31 · 35 readings
  1. 2026-09-0125
  2. 2026-09-0226
  3. 2026-09-0430
  4. 2026-09-0531
  5. 2026-09-0630
  6. 2026-09-0729
  7. 2026-09-0830
  8. 2026-09-0929
  9. 2026-09-1326
  10. 2026-09-1529
  11. 2026-09-1628
  12. 2026-09-2029
  13. 2026-09-2128
  14. 2026-09-2530
  15. 2026-09-2631
  16. 2026-09-2828
  17. 2026-10-0430
  18. 2026-10-0829
  19. 2026-10-0931
  20. 2026-10-1029
  21. 2026-10-1128
  22. 2026-10-1627
  23. 2026-10-1928
  24. 2026-10-2027
  25. 2026-10-2128
  26. 2026-10-2227
  27. 2026-10-2326
  28. 2026-10-2427
  29. 2026-10-2526
  30. 2026-10-2627
  31. 2026-10-2829
  32. 2026-10-2928
  33. 2026-10-3030
  34. 2026-11-0128
  35. 2026-11-0229
Rating
unchanged since 01.09
reviewsrating 5.00 · 35 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-07reviews1rating5.00
  7. 2026-09-08reviews1rating5.00
  8. 2026-09-09reviews1rating5.00
  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. 2026-09-25reviews1rating5.00
  15. 2026-09-26reviews1rating5.00
  16. 2026-09-28reviews1rating5.00
  17. 2026-10-04reviews1rating5.00
  18. 2026-10-08reviews1rating5.00
  19. 2026-10-09reviews1rating5.00
  20. 2026-10-10reviews1rating5.00
  21. 2026-10-11reviews1rating5.00
  22. 2026-10-16reviews1rating5.00
  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
  32. 2026-10-29reviews1rating5.00
  33. 2026-10-30reviews1rating5.00
  34. 2026-11-01reviews1rating5.00
  35. 2026-11-02reviews1rating5.00

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://www.acmicpc.net/*

The full permission history for this extension

What changed recently

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

The publisher

Kyunghyun Kang publishes 2 listings we track, 171 users between them.

  1. LinKHU Kyunghyun Kang · Productivity · Tools · published 2026-02-05 142 users ★ 5.0

Like this one

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

  1. BOJ Never Die Describes nearly the same job, smaller audience 16 users ★ 5.0
  2. 백준봇 Describes nearly the same job, smaller audience 13 users ★ 5.0
  3. BOJ Addon Describes nearly the same job, smaller audience 35 users ★ 3.0
  4. BOJ Extended Describes nearly the same job, smaller audience 8k users ★ 4.9
  5. BOJ Editor Describes nearly the same job, smaller audience 11 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

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HTML

<a href="https://extops.dev/extensions/bklabnmnfggmenngdnlndikconflcbij"><img src="https://extops.dev/extensions/bklabnmnfggmenngdnlndikconflcbij/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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built