# CheckiO

> CheckiO is the game for coders http://www.checkio.org/

Canonical page: [https://chrome-stats.com/d/checkio](https://chrome-stats.com/d/checkio)

## Overview

- **ID:** `checkio`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** checkio
- **Category:** other
- **Daily users:** 14
- **Rating:** 3.33 / 5 (3 ratings)
- **Version:** 1.2.4
- **Last updated:** 2019-04-23
- **First published:** 2014-11-20
- **Size:** 14 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/checkio/)

## Description

CheckiO is a web-based Python learning resource where coders can learn and solve quizzes through playing games. The CheckiO Firefox add-on allows users to connect their desktop IDE to their CheckiO account, making coding on CheckiO more convenient.

## Rankings

- #28,577 — Overall

## Permissions and access

### Permissions

- `tabs`
- `management`
- `nativeMessaging`

### Content script matches

- `checkio.org`
- `*.checkio.org`
- `empireofcode.com`
- `*.empireofcode.com`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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/checkio)