# Chuk Analyzer

> Identify the technologies running on any website — CMS, frameworks, servers, analytics, and more. 100% free, no account, no paywall.

Canonical page: [https://chrome-stats.com/d/chuk-analyzer](https://chrome-stats.com/d/chuk-analyzer)

## Overview

- **ID:** `chuk-analyzer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Chuk Finley
- **Category:** web-development,privacy-security
- **Version:** 0.1.0
- **Last updated:** 2026-07-19
- **First published:** 2026-07-16
- **Size:** 8.29 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chuk-analyzer/)
- **Website:** [https://github.com/chukfinley/chuk-analyzer](https://github.com/chukfinley/chuk-analyzer)

## Description

Chuk Analyzer instantly reveals the technology stack behind any website — content management systems, JavaScript frameworks, web servers, analytics, ecommerce platforms, CDNs and thousands more.

<strong>Features</strong>
- 7,500+ fingerprints, bundled offline — detection works with no network calls
- Version detection and confidence scores
- Results grouped by category
- Export as JSON or CSV, or copy to clipboard
- Light and dark theme

<strong>100% free.</strong> No account, no sign-up, no paywall, no "unlock with Pro".

<strong>Private by design.</strong> Everything runs locally in your browser. No page data ever leaves your machine — no tracking, no data collection.

Open source (GPL-3.0): <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/cc4594a6b4fa1a0a4b78bc34df252e91823be5c65c313fe442b9a255390adcd2/https%3A//github.com/chukfinley/chuk-analyzer" rel="nofollow">https://github.com/chukfinley/chuk-analyzer</a>
Fingerprint database and icons from the open-source enthec/webappanalyzer project (GPL-3.0).

## Rankings

- #137,891 — Overall
- #159 — analyzer
- #224 — analyze

## Permissions and access

### Permissions

- `webRequest`
- `scripting`
- `storage`
- `tabs`

### Host permissions

- `<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 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/chuk-analyzer)