Stack Spy

See the tech stack of any website instantly.

As of June 2026, Stack Spy has 7 users in the Developer Tools category.

Usersno change0%
7
7
Ratingno change0%
— reviews
Reviewsno change0%
Version
3.0.0
Manifest V3
90-day change · In the last 90 days this extension 2 version updates, changed permissions.

History

9 snapshots

Tracking since Apr 11, 2026.

11.726.51.2799999999999994Apr 11, 2026Jun 8, 2026
View as table
DateUsersRatingReviewsVersion
Apr 11, 20262.1.0
Apr 21, 20262.1.0
Apr 25, 202622.1.0
May 3, 202622.2.0
May 9, 202632.2.0
May 20, 202652.2.0
May 26, 202682.2.0
Jun 2, 202692.2.0
Jun 8, 2026112.2.0
Now73.0.0

Changelog

  • Jun 8, 2026
    short_description
    Detect the full tech stack of any website — frameworks, analytics, CDN, payments and more.
    See the tech stack of any website instantly.
  • Jun 8, 2026
    host_permissions
    http://127.0.0.1/*, http://localhost/*, https://*/*
    http://127.0.0.1/*, http://localhost/*, https://api.stack-spy.com/*

Permissions & access

Permissions
activeTabtabsstoragealarmsoffscreenwebRequest
Host access
http://127.0.0.1/*, http://localhost/*, https://api.stack-spy.com/*

Screenshots

Stack Spy screenshot 1

About

Stack Spy scans any website you visit and reveals its complete technology stack in seconds.

🔍 What it detects
• Frameworks & libraries (React, Next.js, Vue, Angular…)
• Analytics & marketing (GA4, Segment, Mixpanel, HubSpot…)
• CDN & hosting (Cloudflare, Vercel, AWS CloudFront…)
• Payments (Stripe, PayPal, Braintree…)
• CMS & ecommerce (WordPress, Shopify, Webflow…)
• Security, fonts, chat widgets and 7,500+ more technologies

🚀 How it works
Open any website, click the Stack Spy icon. Detection runs locally in your browser — no page reloads, no tracking. Results are saved to a shareable public page at stack-spy.com/companies/[domain].

🔗 Features
• 7,500 detection patterns
• HTTP header analysis
• Shareable /companies/ pages
• Search by technology across all indexed sites
• Social profiles detected automatically

Technical

Version
3.0.0
Manifest
V3
Size
925KiB
Min Chrome
88
Languages
11
Featured
No

Metadata

ID
ngelnednbjinijfipdlcaaoeammlmofh
Developer ID
u46e0157b8847f8b4d741602ca8819e8d
Developer Email
[email protected]
Created
Apr 10, 2026
Last Updated (Store)
Jun 5, 2026
Last Scraped
Jun 8, 2026
Website
Support URL

Data sourced from the Chrome Web Store · last verified Jun 8, 2026.