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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
Sobrevivendo.com.br switched from Google Servers to Apache and from Google +1 and Facebook and Twitter to AddThis and from Blogger to WordPress
Yumuktepe.com switched from CSS to HTTP/2
Chtogdekuda.ru switched from Nginx to LiteSpeed and from Embedded CSS to External CSS and from CSS to HTTP/2
Icqadvert.org switched from HTML Transitional to HTML Strict and from UTF-8 to ISO-8859-1 and from XHTML to HTML
Games1ink.com switched from HTML to XHTML
Defolos.com switched from Apache to Nginx
Telecomsmarketresearch.com switched from BMP to GIF
Tatijano-e-trust.com switched from Unix to Windows and from PHP to ASP.NET and from Apache to Microsoft-IIS
Vologdakid.ru switched from XHTML to HTML
Kunst-des-reisens.de switched from Ubuntu to SuSE
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