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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
Victormatara.com switched from Cincinnati Bell Group to ServerCentral and from Nginx to LiteSpeed
Canlidiziizleten.com switched from HTML to XHTML
Mvtrk.com switched from PNG to SVG
Dinksdigital.co switched from External CSS to Inline CSS and from LiteSpeed to Apache
Institutodenegocios.com switched from IdenTrust to Comodo
Iotaustralia.org.au switched from Apache to Nginx
Iceen.org switched from ISO-8859-1 to UTF-8
51romzj.cn switched from HTML Transitional to HTML5 and from XHTML to HTML and from Discuz! to WordPress
Cinema-xa.com switched from Strong ETag to Weak ETag and from Microsoft-IIS to Nginx
Gimo.it switched from XHTML to HTML
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