# LinkGuardian: Smart Link Checker

> Verify and highlight broken links on web pages with advanced features

Canonical page: [https://chrome-stats.com/d/linkguardian-smart-link](https://chrome-stats.com/d/linkguardian-smart-link)

## Overview

- **ID:** `linkguardian-smart-link`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Kuwin Day
- **Category:** web-development
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2024-08-24
- **First published:** 2024-08-23
- **Size:** 28 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/linkguardian-smart-link/)

## Description

Verify and highlight broken links on web pages
Automatic link checking on page load (optional)
Custom highlight color for broken links
Export list of broken links
Scheduled link checking (daily, weekly, or monthly)
Keyboard shortcut (Ctrl+L) to start checking links
User-friendly popup interface with results display
Separate options page for advanced settings
Prevention of clicking on broken links with a warning message
Persistent settings across browser sessions

## Rankings

- #114,434 — Overall

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `<all_urls>`
- `webRequest`
- `downloads`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High 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 Health Checker](https://chrome-stats.com/d/linkhealthchecker)
- [LinkCheck](https://chrome-stats.com/d/linkcheck) — 6 users, 5.00 / 5
- [LinkSense](https://chrome-stats.com/d/linksense)
- [Simple Link Checker](https://chrome-stats.com/d/simple-link-checker) — 817 users, 4.62 / 5
- [Links Spy](https://chrome-stats.com/d/links-spy)
- [Broken Link Finder](https://chrome-stats.com/d/website-broken-link-finder)
- [Free Backlink Checker by LRT](https://chrome-stats.com/d/free-backlink-checker-by-lrt) — 200 users, 4.00 / 5
- [Broken Link Detector](https://chrome-stats.com/d/broken-link-detector) — 4 users
- [Link Health Inspector](https://chrome-stats.com/d/link-health-inspector) — 1 users
- [Broken Link Checker Pm](https://chrome-stats.com/d/broken-link-checker-pm)
- [Link Safety Checker](https://chrome-stats.com/d/link-safety-checker) — 1 users
- [Link Safety Checker \[Simple\]](https://chrome-stats.com/d/link-safety-checker-simple)

---

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