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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
Amsterdamdo.com switched from Spain to United States and from Comodo to IdenTrust and from Apache to Nginx
Emy.solutions switched from HTML to XHTML
Trinicareers.com switched from Bootstrap to Modernizr
999live.life switched from External CSS to Inline CSS and from PHP to ASP.NET and from Embedded CSS to Inline CSS
Musicroom.de switched from GIF to SVG and from Cookies expiring in days and Cookies expiring in hours to Cookies expiring in decades and from Cookies expiring in days and Cookies expiring in hours to Cookies expiring in months and from XHTML to HTML
Ptvbalita.com switched from HTML5 to HTML Transitional
Johnstrasse16.at switched from Modernizr to Bootstrap and from Nginx to Apache
Advisoranalyst.com switched from Smart AdServer to Google Ads
Educacioncampeche.gob.mx switched from DigitalOcean to OVH
Szaboimre.hu switched from Comodo to IdenTrust
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