# Page Performance Checker

> Detects performance issues on page.

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

## Overview

- **ID:** `page-performance-checker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Murphy
- **Daily users:** 5
- **Version:** 1.1
- **Last updated:** 2026-05-06
- **First published:** 2026-05-03
- **Size:** 18 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/page-performance-checker/)

## Permissions and access

### Permissions

- `tabs`
- `notifications`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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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- [Check Page Performance](https://chrome-stats.com/d/check-page-performance) — 13 users
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- [Instant Performance Checker](https://chrome-stats.com/d/instant-performance-checker)
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- [Website Performance Monitoring](https://chrome-stats.com/d/website-performance-monitoring)
- [Page Speed Monitor](https://chrome-stats.com/d/page-speed-monitor) — 1 users, 1.00 / 5

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