# Codeforces Rating-Based Heatmap

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

Canonical page: [https://chrome-stats.com/d/cf-rating-based-heatmap](https://chrome-stats.com/d/cf-rating-based-heatmap)

## Overview

- **ID:** `cf-rating-based-heatmap`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Gopikrishna
- **Category:** web-development,appearance,social-communication
- **Daily users:** 631
- **Weekly downloads:** 30
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 2.2
- **Last updated:** 2025-04-03
- **First published:** 2025-03-26
- **Size:** 116 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cf-rating-based-heatmap/)

## Description

The Codeforces Rating-Based Heatmap Chrome extension upgrades your Codeforces profile by introducing a vibrant, rating-focused heatmap. It uniquely colors each day based on the highest rating of the solved problem, giving a more insightful view of your coding difficulty over time. Hovering over any date reveals detailed tooltips listing all problems solved that day, including their names, ratings, and clickable links. With multi-year support, this tool lets you track your problem-solving performance and difficulty progression across several years, making it an essential companion for competitive programmers aiming to visualize and improve their coding skills.

## Rankings

- #4,340 — Overall
- #3 — rating
- #6 — base
- #26 — problem
- #37 — google maps scraper
- #61 — defi

## Permissions and access

### Content script matches

- `codeforces.com`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/cf-rating-based-heatmap)