---
title: "Codeforces Practice Tracker – Chrome extension stats, history and permissions"
description: "9,000 users, rated 4.87 by 38 people. Version 2.0.1, updated 2026-09-24. Requests 4 permissions."
url: "https://extensiontracker.com/extension/cnahgdhboflcnojgmeehhhfeoojifonm"
---

# Codeforces Practice Tracker

Live in the Chrome Web Store.

- Users: 9,000
- Rating: 4.87 from 38 ratings
- Last checked: 2026-09-26 23:19 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #7,867 of 264,703 live extensions
- Rank in Developer Tools: #722 of 27,615

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Track your Codeforces practice progress with phase-based statistics on your profile.

- Extension ID: `cnahgdhboflcnojgmeehhhfeoojifonm`
- Developer: [Mohamed Mahmoud](https://extensiontracker.com/developer/u839f9e6707b36e2ffac1d4bae1709e45)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2020-05-25
- Last updated: 2026-09-24
- Version: `2.0.1`
- Size: 30.37 KiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/codeforces-practice-track/cnahgdhboflcnojgmeehhhfeoojifonm>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fcnahgdhboflcnojgmeehhhfeoojifonm>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 9,000 | 4.87 | 38 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://codeforces.com/*`: codeforces.com
- `https://codeforces.com/api/*`: codeforces.com

### Sites where it runs scripts

- `https://codeforces.com/problemset*`: codeforces.com
- `https://codeforces.com/profile/*`: codeforces.com

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `storage`: Save settings and data in your browser

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-26 23:19 UTC; next check around 2026-10-02.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Codeforces Practice Tracker” (cnahgdhboflcnojgmeehhhfeoojifonm). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/cnahgdhboflcnojgmeehhhfeoojifonm. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_cnahgdhboflcnojgmeehhhfeoojifonm,
  title   = {Codeforces Practice Tracker (cnahgdhboflcnojgmeehhhfeoojifonm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/cnahgdhboflcnojgmeehhhfeoojifonm},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/cnahgdhboflcnojgmeehhhfeoojifonm>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.