# Speed Score Viewer

> Quickly view your web page’s speed score without leaving your tab.

Canonical page: [https://chrome-stats.com/d/speed-score-viewer](https://chrome-stats.com/d/speed-score-viewer)

## Overview

- **ID:** `speed-score-viewer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Osian
- **Version:** 0.1.0.1resigned1
- **Last updated:** 2026-03-07
- **First published:** 2026-03-04
- **Size:** 94 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/speed-score-viewer/)

## Description

Instantly view a numerical performance score that reflects your page’s overall loading efficiency. Perfect for quick checks during optimization or while comparing site versions after updates.

## Permissions and access

### Permissions

- `tabs`
- `http://*/*`
- `https://*/*`

## 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).

## Similar extensions and apps

- [Web Performance Analyzer](https://chrome-stats.com/d/web-performance-analyzer) — 3 users
- [Page Speed Monitor](https://chrome-stats.com/d/page-speed-monitor) — 1 users, 1.00 / 5
- [Instant Performance Checker](https://chrome-stats.com/d/instant-performance-checker)
- [Page Speed Tester](https://chrome-stats.com/d/page-speed-tester)
- [Speed Page](https://chrome-stats.com/d/speed-page) — 16 users, 2.33 / 5
- [Website Speed Tester](https://chrome-stats.com/d/website-speed-tester) — 4 users
- [Quick Performance Viewer](https://chrome-stats.com/d/quick-performance-viewer)
- [Developer Site Tester](https://chrome-stats.com/d/developer-site-tester) — 1 users
- [Website Speed Meter](https://chrome-stats.com/d/website-speed-meter) — 10 users
- [Google Page Speed Checker](https://chrome-stats.com/d/google-page-speed-checker) — 1 users
- [PageSpeed Insights](https://chrome-stats.com/d/google-pagespeed-insights) — 103 users, 4.88 / 5
- [PageSpeed Insights](https://chrome-stats.com/d/pagespeed-insights) — 842 users, 3.15 / 5

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