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Sites Info

Find out, which technologies a particular website is using.

   Enter url:
   Examples: Dilbert.com, Nasdaq.com, Britannica.com


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
Negociomarketing.com switched from XHTML to HTML
Leichtathletik-berlin.de switched from Script.aculo.us to MooTools and from Persistent Cookies to Session Cookies and from Non-HttpOnly Cookies to HttpOnly Cookies and from XHTML to HTML and from Prototype to JQuery and MooTools
Shelina.in switched from XHTML Strict to XHTML Transitional and from Histats to Google Analytics and from Prototype to Modernizr and from Inline CSS to Embedded CSS and from Script.aculo.us to Modernizr and from Persistent Cookies to Session Cookies
Totalmateria.com switched from Embedded CSS to External CSS and Inline CSS
Escortime.com switched from XHTML to HTML and from Apache to Nginx
Younghollywood.com switched from GIF to SVG
Moveast.me switched from AddThis to Google +1
Coolicool.com switched from Verisign to GeoTrust
Zenskisvet.com switched from XHTML to HTML
Holtchryslerjeepdodge.com switched from Jetty to Tomcat
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