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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
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Sites with recent
Technology Changes
Hahajk.com switched from Apache to Nginx
Vitaitalia.ru switched from Embedded CSS to External CSS and Inline CSS
Linksidene.no switched from IBM Servers to Nginx and from Go Daddy Group to Symantec Group
Bettertranscription.com switched from Microsoft-IIS to Apache and from Windows to Unix
Personalika.com switched from XHTML to HTML
Syba.cz switched from XHTML to HTML and from PHP to ASP.NET and from Apache to Microsoft-IIS and from Windows-1250 to UTF-8 and from Unix to Windows
Sebo777.com switched from Strong ETag to Weak ETag
Penny-arcade.com switched from Cookies expiring in hours to Cookies expiring in days
Agi-training.com switched from HTML to XHTML
Vijayjaria.com switched from Non-HttpOnly Cookies to HttpOnly Cookies
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