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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
Kor-ceo.com switched from Comodo to Symantec Group
Nbf.com.cn switched from HTML to XHTML
Madadinvestgroup.com switched from Comodo to Go Daddy Group
Ledtechvn.com switched from External CSS to Embedded CSS and from XHTML to HTML and from Inline CSS to Embedded CSS
Nisejp.com switched from EUC-JP and UTF-8 to ISO-8859-1
Dchetty.co.za switched from XHTML to HTML
Starlamp.com.br switched from Windows to Unix
Cartechelectronics.com switched from DigiCert to Verizon and from XHTML to HTML
Ipswichbuses.co.uk switched from GIF to JPEG and PNG and from Microsoft-IIS to Apache and from Windows to Unix and from ASP.NET to PHP and from XHTML to HTML
Super-nailcenter.de switched from Dojo to Modernizr
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