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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
Progfu.com switched from Nginx to Apache and from HTML to XHTML and from GIF to JPEG and PNG
Rachelmartindesign.com switched from Network Solutions to Web.com
Yakyubookfair.com switched from Apache to Nginx
Andrewnaserblog.com switched from Nginx to Microsoft-IIS and from Endurance Group to Rightside Group
Invisibobble.com switched from Apache to Nginx and from Germany to United States
Albertagolf.org switched from Google Hosted Libraries to CDNJS and from Canada to United States
Jcz001.com switched from GB2312 to UTF-8
Sextaikendan.net switched from Apache to LiteSpeed
Creative-plus.net switched from Apache to Nginx
Dkbvrn.ru switched from Agava to REG.RU
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