AtCoder Analytics

by xneolxnoel@gmail.com · Workflow & Planning

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

Adds graphs and an unsolved list to AtCoder user profile pages (powered by AtCoder Problems API).

Users

110

+16 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#81K

#68K among extensions

Version

0.1.1

updated 12 Jul 2026

Users

monthly, 5 months

Latest, 17 Oct 2026: 110 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months

Latest, 17 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About AtCoder Analytics

AtCoder Analytics enhances AtCoder user profile pages with additional statistics: - Solved-by-difficulty histogram (estimated difficulty) - Solved breakdown by contest series (ABC/ARC/AGC/AHC/etc.) - Unsolved list (attempted problems without AC), with links Data is fetched from public endpoints and processed locally in your browser. The extension stores a small local cache to reduce repeated requests. Source code: https://github.com/xneolxnoel/atcoder-analytics-extension