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Sites Info

Find out, which technologies a particular website is using.

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

Bookmarklet

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
Ellipticaltrainersblog.com switched from HTML5 and HTML Transitional to HTML Strict and from LiveInternet to Google Analytics
Alliancehomes.in switched from Confluence-Networks to Neustar
Trackjack.mx switched from Apache to Nginx and from SoftLayer to TierPoint
9kz.org switched from Deflate Compression to Gzip Compression
Caravan61.ru switched from Apache to LiteSpeed
Nbbl.com.np switched from Session Cookies to Persistent Cookies and from Non-HttpOnly Cookies to HttpOnly Cookies
Vinson.jp switched from HTML to XHTML
Inba.gob.mx switched from XHTML to HTML
Voicethechange.co switched from Nginx to Apache
Teenzone.pl switched from SPDY to HTTP/2
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