# SpeedSentry: Website Performance Monitor

> Measure and display page load times and other performance metrics

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

## Overview

- **ID:** `speedsentry-website`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** ABC8
- **Category:** web-development
- **Daily users:** 4
- **Version:** 1.0
- **Last updated:** 2024-08-25
- **First published:** 2024-08-24
- **Size:** 21 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/speedsentry-website/)

## Description

Measures and displays page load times
Shows DOM Interactive and DOM Content Loaded times
Counts the number of resources loaded
Displays memory usage (if available)
Color-coded badge indicating performance (green, yellow, red)
Customizable performance thresholds
Option to choose which metric to display on the badge
Notifications for slow-loading pages (optional)
Refresh button to update performance data
Options page for easy customization
Persistent settings across browser sessions

## Rankings

- #50,354 — Overall
- #24 — performance
- #34 — data entry
- #155 — monitor

## Permissions and access

### Permissions

- `webNavigation`
- `storage`
- `<all_urls>`

### 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).

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