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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
Caseymacphoto.com switched from Apache to Nginx
Tbhno.com switched from HTML to XHTML
Vianney.com switched from XHTML to HTML
Biotechguru.in switched from Apache to Nginx
Theloverspoint.com switched from Facebook to AddToAny
Optocon.de switched from Strong ETag to Weak ETag
Powersync.biz switched from Apache to LiteSpeed
Orbitgroup.com.au switched from Spry and ASP.NET Ajax to JQuery and from Microsoft-IIS to Apache and from Windows to Unix and from ASP.NET to PHP
Granddesignsmagazine.com switched from Gzip Compression to Deflate Compression and from Non-HttpOnly Cookies to HttpOnly Cookies and from Persistent Cookies to Session Cookies
Lhc.org switched from Session Cookies to Persistent Cookies
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