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Sites Info

Find out, which technologies a particular website is using.

   Enter url:
   Examples: Berkeley.edu, Nasdaq.com, Britannica.com

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 the browsers capabilities to open a new tab for showing the current sites web technologie, so that your site visits are not interrupted.

Firefox Add-On
Get the Firefox add-on.

Google Chrome extensionGoogle Chrome extension
Get the Google Chrome extension.

Sites with recent
Technology Changes
Chatsarayi.com switched from Non-HttpOnly Cookies to HttpOnly Cookies
Arjon.es switched from GitHub Pages to Jekyll
Totenart.com switched from Non-HttpOnly Cookies to HttpOnly Cookies
Smorfianapoletana.net switched from Comodo to IdenTrust
Hrs-heatexchangers.com switched from Comodo to IdenTrust and from Endurance Group to UKFast and from United States to United Kingdom
Isere-tourisme.com switched from jQuery CDN to jsDelivr and from XHTML to HTML
Academy777.com switched from HTML5 to HTML Transitional and from Nginx to Apache
Teabj.com switched from HTML5 to HTML Transitional and from Apache and Microsoft-IIS to Nginx and from United States to United Kingdom
Marcellobergamo.it switched from Italy to United Kingdom and from Apache to Nginx and from Register.it to Simply Transit
Winsomething.co.uk switched from Adtech to Amazon Associates
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