Check the current offer
The official store shows the current price, purchase options and availability for your region. Review those details before buying.
Developer Tools · Mac and Safari
Web Technology Detector — Discover what any website is built with, privately in Safari
View on the App Store ↗About the app
Web Technology Detector shows the technologies behind the page you are viewing in Safari, such as frameworks, content management systems, and analytics tools. It is useful for research, audits, and curiosity.
✓macOS 14 or later
✓Safari Web Extension
✓Local detection and storage
Price and access
The official store shows the current price, purchase options and availability for your region. Review those details before buying.
Prices and availability can vary by region and version. The price shown by the store or in-app purchase screen is the price that applies to your purchase.
Check the official store ↗Built for Mac and Safari. Check the current store listing for device and operating-system requirements.
Questions & answers
It analyzes signals on the page you are viewing. Results are a best guess and may not be complete.
It is built for Safari on Mac.
Check the app's privacy policy for how data is handled.
Ready to get started?
Open a page in Safari and check the technologies in a click.