Sites Info

Find out, which technologies such as CMS, programming language, web server and hosting provider a particular website is using.

Site Info API

Get programmatic access to this information via our Site Info API.

Bookmarklet

Our bookmarklet provides a convenient way to see the technologies of the sites you visit.
--> W3Techs <-- Don't click here. Drag it to your browser's toolbar or add it to your favorites bar/bookmarks by clicking the right mouse button. Then click on it whenever you visit a site whose technologies you want to know. If the concept of bookmarklets is new to you, you may read more about it on Wikipedia.

Browser Extensions

Our browser extensions work similar to the bookmarklet, but they use browser capabilities to show the current site's web technologies, so that your site visits are not interrupted.

Get the Firefox add-on.

Get the Google Chrome extension.

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Sites with recent Technology Changes
Zetarmold.com switched from WordPress to Astro
Olaetapropiedades.com.ar switched from Gzip Compression to Zstandard Compression
Gctech.edu switched from Edlio CMS to Apptegy and from Java to JavaScript and Ruby and from jQuery to Nuxt and from Cloudflare Server to Node.js and from Amazon and Edlio to Apptegy and from Brotli Compression to Gzip Compression
Elitetennis.com.au switched from WordPress to Payload and from PHP to JavaScript and from jQuery to Next.js and from LiteSpeed to Node.js and from Hosting.com Group to Hostinger and from Embedded CSS to Inline CSS and from Brotli Compression to Gzip Compression
Rltvty.net switched from Sectigo to SSL.com
Meerabhandarimakeovers.com switched from Nginx to Caddy
Sterk-estrich.de switched from Let’s Encrypt to GlobalSign
Leadsflex.com switched from Hostinger to Gmail
Mehreganagency.com switched from LiteSpeed to Caddy
Crgh.co.jp switched from Let’s Encrypt to GlobalSign

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