---
title: "Codeforces Rating-Based Heatmap – Chrome extension stats, history and permissions"
description: "10,000 users, rated 4.84 by 25 people. Version 2.1.0, updated 2025-04-01. Requests 0 permissions."
url: "https://extensiontracker.com/extension/heajdhmohlobjebkgkpdomkaihaghkgb"
---

# Codeforces Rating-Based Heatmap

Live in the Chrome Web Store.

- Users: 10,000
- Rating: 4.84 from 25 ratings
- Last checked: 2026-11-08 16:57 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #5,041 of 292,131 live extensions
- Rank in Developer Tools: #442 of 30,442

## The listing

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

Summary from the listing:

> Displays a rating-based problem-solving heatmap on Codeforces profile pages.

- Extension ID: `heajdhmohlobjebkgkpdomkaihaghkgb`
- Developer: [gopikrishna01012001.dev](https://extensiontracker.com/developer/u9c8732d5509510d18ed95fcc9a3d43a5)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2025-03-04
- Last updated: 2025-04-01
- Version: `2.1.0`
- Size: 110 KiB
- Minimum Chrome: 88
- Languages (1): English
- Privacy policy: `https://docs.google.com/document/d/e/2PACX-1vRe0os3DfedMPhyZ70HkeLRHNW2wXNSu9L55yu1fGzTHqkl3QRmKaFS58RwcNRGxdyFLRwtU2pC9sz-/pub`
- Chrome Web Store: <https://chromewebstore.google.com/detail/codeforces-rating-based-h/heajdhmohlobjebkgkpdomkaihaghkgb>
- View its code or download CRX: <https://crxpeek.com/extension/heajdhmohlobjebkgkpdomkaihaghkgb>
- Search Google for the ID: <https://www.google.com/search?q=%22heajdhmohlobjebkgkpdomkaihaghkgb%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-08 | 10,000 | 4.84 | 25 |
| 2026-11-02 | 10,000 | 4.84 | 25 |
| 2026-10-26 | 10,000 | 4.84 | 25 |
| 2026-10-19 | 10,000 | 4.84 | 25 |
| 2026-10-12 | 10,000 | 4.84 | 25 |
| 2026-10-05 | 10,000 | 4.84 | 25 |
| 2026-09-28 | 10,000 | 4.84 | 25 |
| 2026-09-27 | 10,000 | 4.84 | 25 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

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

## 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 2026-11-08 16:57 UTC; next check around 2026-11-15.

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

## Cite this page

Extension Tracker. “Codeforces Rating-Based Heatmap” (heajdhmohlobjebkgkpdomkaihaghkgb). Chrome Web Store data, last checked 2026-11-08. https://extensiontracker.com/extension/heajdhmohlobjebkgkpdomkaihaghkgb. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_heajdhmohlobjebkgkpdomkaihaghkgb,
  title   = {Codeforces Rating-Based Heatmap (heajdhmohlobjebkgkpdomkaihaghkgb)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-08},
  url     = {https://extensiontracker.com/extension/heajdhmohlobjebkgkpdomkaihaghkgb},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/heajdhmohlobjebkgkpdomkaihaghkgb>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.