W3Techs - World Wide Web Technology Surveys

W3Techs provides information about the usage of various types of technologies on the web.

Wordpress is the most popular web content management system. » more
PHP is the most popular programming language for building websites. » more
Javascript is the most popular programming language running in web browsers. » more
XHTML is the most popular markup language. » more
UTF-8 is the most popular character encoding system. » more
Apache is the most popular web server. » more
Unix is the most popular operating system for running websites. » more
Google Analytics is the most popular web traffic analysis tool. » more
.com is the most popular top level domain. » more

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Highlights of web technology surveys, March 2010, China's web presence rising fast 1 March 2010
China is now the third most frequent country-specific top level domain amongst the top 1 million websites, ahead of Japan and UK. » more
The 3 most common technical website quality problems 18 February 2010
We analyze lots of websites for our web technology surveys and doing so, we keep detecting potential technical problems on these sites. This is a summary of the most frequently encountered issues. » more