Ext Ops Panel
Open dashboard

AtCoder Parallel Alert

Chrome extension by Tomii9273 · Productivity · Tools

A Chrome extension in Productivity · Tools with 12 users, barely installed. Audience over the last 30 days: +1.

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
12
Rating
not rated yet
Users, last 30 days
+1
Version
1.0
Updated in the store
2023-11-06
Published
2023-11-06
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+1 since 01.10
10-13 · 14 readings
  1. 2026-10-0412
  2. 2026-10-0810
  3. 2026-10-0911
  4. 2026-10-1010
  5. 2026-10-1711
  6. 2026-10-1810
  7. 2026-10-1911
  8. 2026-10-2112
  9. 2026-10-2212
  10. 2026-10-2313
  11. 2026-10-2512
  12. 2026-10-2711
  13. 2026-10-2912
  14. 2026-10-3012
Users
+12 since 31.08
0-13 · 24 readings
  1. 2026-08-310
  2. 2026-09-029
  3. 2026-09-047
  4. 2026-09-068
  5. 2026-09-079
  6. 2026-09-0810
  7. 2026-09-099
  8. 2026-09-178
  9. 2026-09-209
  10. 2026-09-2711
  11. 2026-10-0412
  12. 2026-10-0810
  13. 2026-10-0911
  14. 2026-10-1010
  15. 2026-10-1711
  16. 2026-10-1810
  17. 2026-10-1911
  18. 2026-10-2112
  19. 2026-10-2212
  20. 2026-10-2313
  21. 2026-10-2512
  22. 2026-10-2711
  23. 2026-10-2912
  24. 2026-10-3012

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://atcoder.jp/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting

The full permission history for this extension

What changed recently

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

The publisher

Tomii9273.

Like this one

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

  1. AtCoder Contest Kit Describes nearly the same job, smaller audience 1 user
  2. Atcoder Companion Describes nearly the same job, smaller audience 2k users ★ 5.0
  3. AtCoder Extension Describes nearly the same job, smaller audience 871 users ★ 5.0
  4. AtCoder Senpai Describes nearly the same job, smaller audience 143 users
  5. AC Analytics Describes a similar job, smaller audience 1k users ★ 4.4

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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
Add a badge to your README or site

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

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

HTML

<a href="https://extops.dev/extensions/poiijcpfeaijlocfncmimadjkppkplef"><img src="https://extops.dev/extensions/poiijcpfeaijlocfncmimadjkppkplef/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