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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
Audentifi.com switched from GlobalSign to Comodo
Cobone.com switched from Go Daddy Group to GlobalSign
Jayboxlabs.com switched from XHTML to HTML
Greendaysgroup.net switched from GlobalSign to Comodo
Churchm.ag switched from Persistent Cookies to Session Cookies
Androidappspoint.com switched from Apache to LiteSpeed
Epictutorials.com switched from GlobalSign to Comodo
Careerrocks.com switched from GlobalSign to Comodo
Flamsv.com switched from GlobalSign to Comodo
Surgicalgastroenterologist.com switched from XHTML to HTML and from GIF to JPEG and PNG and from Windows-1252 and ISO-8859-1 to UTF-8
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