# Gecko Code Coverage

> Extension that augments several Mozilla websites (Phabricator, DXR, Searchfox, Bugzilla) with code coverage information.

Canonical page: [https://chrome-stats.com/d/gecko-code-coverage](https://chrome-stats.com/d/gecko-code-coverage)

## Overview

- **ID:** `gecko-code-coverage`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** marco
- **Daily users:** 25
- **Rating:** 4.00 / 5 (1 ratings)
- **Version:** 0.11.0
- **Last updated:** 2019-06-14
- **First published:** 2017-12-15
- **Size:** 162 KB
- **Data as of:** 2025-08-03
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/gecko-code-coverage/)

## Description

Gecko Code Coverage is a Firefox add-on that enhances several Mozilla websites, including Bugzilla, DXR, Searchfox, and MozReview, by providing code coverage information. With this extension, you can easily access metrics and measure the test coverage of different Mozilla projects.

## Permissions and access

### Permissions

- `https://coverage.moz.tools/v2/*`
- `https://mapper.mozilla-releng.net/gecko-dev/rev/git/*`
- `https://hg.mozilla.org/mozilla-central/json-rev/*`

### Content script matches

- `dxr.mozilla.org`
- `searchfox.org`
- `crash-stats.mozilla.com`
- `hg.mozilla.org`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension is not longer available in the store

> 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/gecko-code-coverage)