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Sites Info

Find out, which technologies a particular website is using.

   Enter url:
   Examples: Berkeley.edu, 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
Gossipreader.com switched from Google Servers to Microsoft-IIS
Spotterstudio.com switched from XHTML to HTML
Alanya.net.pl switched from JavaScript to Flash and from HTML5 to HTML Transitional
Ilovediamonds.com switched from Rackspace to GoDaddy Group and from Starfield to GoDaddy and from Symantec Group to GoDaddy Group
Table-ogino.com switched from XHTML to HTML and from External CSS to Inline CSS
Galucomunicacion.com switched from Twitter and ShareThis to Shareaholic
Mooseway.com switched from Cookies expiring in months to Cookies expiring in hours
Questionscompiled.com switched from Rightside Group and Cincinnati Bell Group to Confluence-Networks and from Non-HttpOnly Cookies to HttpOnly Cookies and from TierPoint to Confluence-Networks and from United States to United Kingdom and from Microsoft-IIS and Nginx to Apache
Salarpuriasattvaparkcubix.ind.in switched from Confluence-Networks and Endurance Group to Neustar
Serialeleonline.com switched from Nginx to LiteSpeed
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