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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
Get the Firefox add-on.

Google Chrome extensionGoogle Chrome extension
Get the Google Chrome extension.

Sites with recent
Technology Changes
Myfashdiary.com switched from LinkShare to Google Ads
Free-printable-flash-tattoo.info switched from LiteSpeed to Apache
Gozlukcu.net switched from XHTML to HTML
Classytemplate.com switched from GIF to JPEG and PNG
Lacreative.gr switched from GlobalSign to StartCom
Viperonline.com.au switched from Windows to Unix and from Microsoft-IIS to Apache
Lacomputerfair.com switched from Starfield to Go Daddy
Kajianpustaka.com switched from AddThis to ShareThis and from XHTML to HTML
Gyanijiclassifieds.com switched from Apache to Microsoft-IIS and from PHP to ASP.NET and from XHTML to HTML
Johngamag.net switched from Google Ads and BidVertiser to Adcash
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