# Cert Notification Plus

> Notify users of certificate expiration status.

Canonical page: [https://chrome-stats.com/d/cert-notification-plus](https://chrome-stats.com/d/cert-notification-plus)

## Overview

- **ID:** `cert-notification-plus`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Thomas
- **Category:** privacy-security,alerts-updates
- **Version:** 3.0
- **Last updated:** 2024-06-06
- **First published:** 2024-06-05
- **Size:** 53 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cert-notification-plus/)

## Description

Cert Notification sends notifications to users about the status of website certificate expiration, especially for those expiring soon.

## Rankings

- #132,336 — Overall
- #137 — notification

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `<all_urls>`
- `tabs`

## 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

- [CertExpiry Alert](https://chrome-stats.com/d/certexpiry-alert) — 3 users
- [CertReminder](https://chrome-stats.com/d/certreminder)
- [CertWatch Pro](https://chrome-stats.com/d/certwatch-pro) — 1 users
- [Expiry Tracker Plus](https://chrome-stats.com/d/expiry-tracker-plus)
- [Cert Info Plus](https://chrome-stats.com/d/cert-info-plus) — 6 users
- [Cert Reminder](https://chrome-stats.com/d/cert-reminder)
- [Cert Timer Pro](https://chrome-stats.com/d/cert-timer-pro)
- [CertBadger](https://chrome-stats.com/d/certbadger) — 1 users
- [CertMonitor](https://chrome-stats.com/d/certmonitor)
- [CertiCountdown](https://chrome-stats.com/d/certicountdown)
- [Cert Canary](https://chrome-stats.com/d/cert-canary) — 1 users
- [Cert Counter](https://chrome-stats.com/d/cert-counter) — 1 users

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