# SourceCheck

> Check the credibility of websites and the links they link to

Canonical page: [https://chrome-stats.com/d/sourcecheck?hl=ja](https://chrome-stats.com/d/sourcecheck?hl=ja)

## Overview

- **ID:** `sourcecheck`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Dylan Mitchell
- **Category:** feeds-news-blogging
- **Daily users:** 2
- **Version:** 1.0
- **Last updated:** 2020-01-29
- **First published:** 2020-01-29
- **Size:** 27 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sourcecheck/)

## Description

SourceCheck is a Firefox add-on that allows users to check the credibility of websites and the links they link to. It highlights unreliable domains and provides detailed information on why they are highlighted.

## Rankings

- #67,483 — Overall
- #83 — source code
- #109 — source
- #124 — resource

## Permissions and access

### Content script matches

- `*`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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).

## Similar extensions and apps

- [Link Checker fork](https://chrome-stats.com/d/link-checker-fork) — 3 users
- [The Source Taster](https://chrome-stats.com/d/source-taster) — 4 users
- [Check This by MetaCert](https://chrome-stats.com/d/check-this-by-metacert) — 3 users, 3.50 / 5
- [News Source Analysis](https://chrome-stats.com/d/news-source-analysis) — 2 users
- [Quackcheck](https://chrome-stats.com/d/quackcheck) — 1 users
- [LinkCheck](https://chrome-stats.com/d/linkcheck) — 5 users, 5.00 / 5
- [ScanURL.me](https://chrome-stats.com/d/scanurl-me) — 23 users
- [Link Health Check](https://chrome-stats.com/d/link-health-check)
- [B.S. Detector](https://chrome-stats.com/d/bsdetector) — 136 users, 2.67 / 5
- [Sourcer](https://chrome-stats.com/d/sourcer) — 6 users
- [Link Health Checker](https://chrome-stats.com/d/link-health-checker)
- [Fact Layer](https://chrome-stats.com/d/fact-layer) — 23 users, 3.75 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/sourcecheck?hl=ja)