# CSP Evaluator ext

> Evaluate the page's Content-Security-Policy from response headers and meta tags. Rates strength and flags risky directives.

Canonical page: [https://chrome-stats.com/d/csp-evaluator-ext](https://chrome-stats.com/d/csp-evaluator-ext)

## Overview

- **ID:** `csp-evaluator-ext`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** csp-evaluator-ext
- **Category:** other
- **Daily users:** 3
- **Weekly downloads:** 1
- **Version:** 1.0.0
- **Last updated:** 2025-08-27
- **First published:** 2025-08-24
- **Size:** 16 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/csp-evaluator-ext/)
- **Website:** [https://789win.associates/](https://789win.associates/)

## Description

CSP Evaluator is a lightweight Firefox extension that helps you understand and assess a website’s Content-Security-Policy (CSP). By scanning both HTTP response headers and in-page <meta> tags, it evaluates the overall strength of the policy and highlights potential weaknesses.

## Rankings

- #56,701 — Overall
- #105 — value

## Permissions and access

### Permissions

- `activeTab`
- `tabs`
- `contextMenus`
- `storage`
- `<all_urls>`
- `webRequest`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate 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 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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- [CSP Content Security Policy Generator](https://chrome-stats.com/d/content-security-policy-gen) — 252 users, 3.40 / 5
- [Content Security Policy (CSP) Generator](https://chrome-stats.com/d/csp-generator) — 579 users, 4.00 / 5
- [HTTP Header Security Auditor](https://chrome-stats.com/d/http-header-security-auditor) — 2 users
- [Web Safety](https://chrome-stats.com/d/web-safety) — 1 users
- [CSP Unblock](https://chrome-stats.com/d/csp-unblock) — 95 users, 3.50 / 5
- [Script Sentinel - CSP Generator](https://chrome-stats.com/d/script-sentinel-csp-generator)

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Source: [Chrome-Stats](https://chrome-stats.com/d/csp-evaluator-ext)