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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
Vvdailypress.com switched from 24/7 Real Media to PostRelease
Iriswebsolutions.in switched from PHP to Ruby and from UTF-8 to ISO-8859-1 and from XHTML to HTML
Irida-iv.ru switched from LiveInternet to Google Analytics and from Apache to Nginx
Itemmania.com switched from Comodo to Symantec Group
Japanrevolution.com switched from HTML to XHTML and from Apache to Nginx
Rwpservices.biz switched from Nginx to Apache and from XHTML to HTML
Apega.pe switched from XHTML to HTML
Addsites.eu switched from Nginx to Apache
Mitralign.com switched from ASP.NET to PHP
Oyunsah.com switched from Apache to Nginx
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