# ExternalRelSentry

> Audit external links, target blank safety, javascript URLs, and noisy tracking parameters.

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

## Overview

- **ID:** `externalrelsentry`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Allen
- **Version:** 1.0.0
- **Last updated:** 2026-04-29
- **First published:** 2026-04-26
- **Size:** 20 KB
- **Data as of:** 2026-05-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/externalrelsentry/)
- **Website:** [https://uu88vip.me/](https://uu88vip.me/)

## Description

ExternalRelSentry is a Firefox extension for auditing anchor safety and outbound link hygiene.
It scans links in the active tab, highlights external <code>target="_blank"</code> links without <code>noopener</code> or <code>noreferrer</code>, reports JavaScript URLs, counts tracking query parameters, and samples risky records for debugging.

## Permissions and access

### Permissions

- `activeTab`
- `scripting`
- `clipboardWrite`

## Safety

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

### Analysis details

- Allows reading and modifying clipboard content, which can be sensitive, posing a moderate privacy risk.
- This extension is not longer available in the store

## Similar extensions and apps

- [External Link Detector](https://chrome-stats.com/d/external-link-detector) — 5 users
- [DownloadSentry](https://chrome-stats.com/d/downloadsentry)
- [Links Safety Checker](https://chrome-stats.com/d/links-safety-checker) — 26 users, 5.00 / 5
- [ReferrerPolicyScout](https://chrome-stats.com/d/referrerpolicyscout)
- [LinkHarbor](https://chrome-stats.com/d/linkharbor)
- [EventSentinel](https://chrome-stats.com/d/eventsentinel)
- [MetaSentry](https://chrome-stats.com/d/metasentry) — 1 users
- [BaseHrefSentinel](https://chrome-stats.com/d/basehrefsentinel)
- [Link Safety Checker](https://chrome-stats.com/d/link_safety_checker) — 26 users, 5.00 / 5
- [URL Security Scanner](https://chrome-stats.com/d/url-security-scanner) — 1 users
- [wearelinked](https://chrome-stats.com/d/wearelinked) — 5.00 / 5
- [FragmentAnchorPilot](https://chrome-stats.com/d/fragmentanchorpilot)

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Source: [Chrome-Stats](https://chrome-stats.com/d/externalrelsentry)
