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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
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Google Chrome extensionGoogle Chrome extension
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Sites with recent
Technology Changes
Ustv.com.tw switched from HTML Strict to HTML Transitional
Eplacrosse.com switched from Strong ETag to Weak ETag
Vs-s.kz switched from Apache to Nginx
Joinbangladeshairforce.mil.bd switched from Apache to Nginx
Theregentatbellevueway.com switched from GIF to JPEG
Idahoreporter.com switched from Modernizr to Bootstrap and from Pinterest to Digg
The-nitty-gritty.biz switched from XHTML to HTML
Chapuw.com switched from Strong ETag to Weak ETag and from Cookies expiring in hours to Cookies expiring in months and from Microsoft-IIS to Nginx
Saglikhavuzu.com switched from Cookies expiring in months to Cookies expiring in days
Zayasel.com switched from Cookies expiring in hours to Cookies expiring in years and from Persistent Cookies to Session Cookies
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