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
Soulethics.in switched from WordPress to Shopify and from PHP to Ruby and from Nginx to Cloudflare Server and from DigitalOcean Group to Shopify and from Gzip Compression to Brotli Compression and from Session Cookies to Persistent Cookies and from JSON-LD to Open Graph and Twitter/X Cards
Dogtorcat.com.co switched from Let’s Encrypt to GlobalSign
Metairfare.com switched from Cloudflare Server to Apache and from Bluehost to Newfold Digital and from Bluehost to PublicDomainRegistry and from GlobalSign to Let’s Encrypt
Digischool.am switched from Meta Pixel to Yandex.Metrica
Kafefauna.no switched from WordPress to Wix and from PHP to Scala and from jQuery to React and Lodash and from QUIC to HTTP/2 and from JPEG to SVG and from Norway to United States
Vivavolleyball.ca switched from Let’s Encrypt to GlobalSign
Gllue.com switched from Google Analytics and MonsterInsights to PostHog
Samnowmovie.com switched from Apache to LiteSpeed and from DreamHost to Hostinger and from MailChannels to Hostinger and from Gzip Compression to Brotli Compression
Mobilnymechanikgdansk.pl switched from Nginx to Apache
Miracles-monastery.org switched from GoDaddy Group to Gmail

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