Free tool
CMS detector: what is this website built with?
Enter any website to see its CMS or website builder, framework, hosting and CDN, analytics, advertising pixels and other tools, with the code or header that gave each one away.
What it checks
See the CMS, framework, hosting and analytics any website runs on, with the evidence.
- CMS, shop platforms and website builders, including WordPress, Shopify, Wix, Squarespace, Webflow, Drupal and HubSpot
- Frameworks and libraries such as Next.js, Nuxt, Astro, React and Vue
- Hosting, CDN and web servers, from response headers
- Analytics, tag managers, advertising pixels, chat, forms, payments and cookie tools
Frequently asked questions
How does detection work?
We fetch the page and look for fingerprints in its code and response headers: file paths, script addresses, generator tags and headers each platform adds. Every result shows the evidence, so you can judge it yourself.
Why wasn't something detected?
Some tools load only after a visitor interacts, run entirely on the server, or hide their fingerprints. We only report what the page's HTML and headers show, to avoid guessing.
Can it see a site's plugins or theme?
Only what shows in the page's code, such as page builders and SEO plugins on WordPress. Plugins that leave no trace in the HTML can't be seen from outside.