What does the Website Framework Detector do?

It detects the framework and platform of the current site—CMS (WordPress, Shopify, Wix, Magento), frameworks/libraries (React, Vue, Angular, jQuery), hosting/CDN (Cloudflare, Netlify, Vercel), server (Apache, Nginx, IIS), analytics tags (GA4, GTM, Facebook Pixel), and SEO/meta hints.

Yes. The extension is free to install and use. Source code will be available on GitHub.

How do I install the extension?

Use the Chrome Web Store listing and click Add to Chrome. You can also load it unpacked in Developer Mode from the GitHub release.

Does it collect data?

No. Detection runs locally in your browser and no personal data is sent to any server.

Free Website Framework Detector Chrome Extension

Find out what a website is built with: CMS, frameworks, hosting/CDN, server stack, analytics tags, and SEO/meta—instantly.

Published: Oct 30, 2025 • Updated: Nov 3, 2025

Install from Chrome Web Store Explore SEO Checklist View on GitHub Ask a Question

Website Framework Detector Chrome extension UI showing detection panel

Key Features

CMS Detection

Identifies common CMSs like WordPress, Shopify, Wix, Magento, Drupal, Joomla, and more.

Frameworks & Libraries

Detects React, Vue, Angular, Next.js, jQuery, Bootstrap, Tailwind, and popular UI kits.

Hosting & CDN

Surface providers like Cloudflare, Netlify, Vercel, AWS, Google Cloud, and common CDNs.

Server & Backend

Signals server stack hints (Apache, Nginx, IIS), languages (PHP, Node.js, ASP.NET), and headers.

Analytics & Tags

Finds GA4, Google Tag Manager, Facebook Pixel, Hotjar, and other tracking snippets.

SEO & Meta

Checks canonical, robots, structured data presence, meta tags, and social cards.

Overview

Website Framework Detector is a lightweight Chrome extension that helps you understand what any site is built with. In a single click, it scans the active tab and summarizes the platform and technology stack it finds — including CMS detection (WordPress, Shopify, Wix, Magento, Drupal), popular frontend libraries and frameworks (React, Vue, Angular, Next.js, jQuery, Bootstrap, Tailwind), hosting/CDN providers (Cloudflare, Netlify, Vercel, AWS, Google Cloud), server and backend hints (Apache, Nginx, IIS; PHP, Node.js, ASP.NET), analytics tags (GA4, Google Tag Manager, Facebook Pixel, Hotjar), and essential SEO/meta signals. If you also care about on‑page optimization details, pair this tool with the SEO Checklist extension to audit titles, meta descriptions, headings, links, images, structured data, and quick performance/accessibility hints.

Requested Permissions

activeTabRead the current page to evaluate content.
scriptingRun content scripts to detect technologies.
storageSave lightweight detection preferences.

Exact permissions will be finalized per the manifest (see GitHub repo).

How to Install

From Chrome Web Store

Open the Chrome Web Store listing.
Click “Add to Chrome”.
Confirm the installation prompt.

Open Web Store

Manual (Developer Mode)

Download the latest release from GitHub.
Go to chrome://extensions and enable Developer mode.
Click “Load unpacked” and select the extension folder.

Privacy & Data

This extension runs locally in your browser. No personal data is collected or transmitted. Detection happens on-device. Optional GitHub usage is client-side only.

Website Framework Detector FAQs

It detects the framework and platform of the active tab—CMS, frameworks/libraries, hosting/CDN, server stack, analytics tags, and SEO/meta—using page markup, headers, and script patterns.

Yes. It's free to install and use. Source code will be available on GitHub.

Use the Chrome Web Store listing and click “Add to Chrome”. Alternatively, load it unpacked in Developer Mode using the GitHub release.

No. All detection runs locally in your browser. No personal data is collected or sent anywhere.

Questions or Feature Requests?

Reach out via WhatsApp or open an issue on GitHub. I’d love your feedback.

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