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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
100percentprofitbot.trade switched from Microsoft-IIS to Nginx and from Microsoft to ParkingCrew and from HTML to XHTML and from Rightside Group to ParkingCrew
Fmrefill.com switched from Inline CSS to Embedded CSS and from HTML Transitional to HTML5
Hbdx.cc switched from Apache to Tengine and from External CSS to Inline CSS and from Nginx to Tengine
Emchezgia.ru switched from Hetzner to Hosting Ukraine
Mp3joints.com switched from Twitter and Facebook to WhatsApp
Weberchev.com switched from Austria to Netherlands
Teknotik.net switched from XHTML to HTML and from HTML5 to HTML Strict
Semnanmusic.com switched from Non-HttpOnly Cookies to HttpOnly Cookies
Gbymikeisabella.com switched from SoftLayer to Host Europe Group
Shahreghods.com switched from OVH to Hetzner
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