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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
Moneyget.ws switched from XHTML Strict to XHTML Transitional and from HTML to XHTML and from Embedded CSS to Inline CSS and from OVH and Confluence-Networks and CenturyLink to ParkingCrew
Respiravida.net switched from XHTML to HTML
Samudera.co.id switched from Persistent Cookies to Session Cookies
Precitools-it.com switched from Windows-1250 to UTF-8 and from HTML Transitional to HTML5
Classicfleet.com switched from United Kingdom to Netherlands
Albumdinleco.com switched from OVH to Online.net
Taxydromos.gr switched from Apache to Nginx
Eobiosol.com switched from jsDelivr to Google Hosted Libraries
Handicareers.com switched from GIF and PNG to JPEG
Thenappyvalley.com switched from United Kingdom to United States
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