Wappalyzer is shortened name for Web Application Analyzer. This on-line service tracks the distrubition of software on the web. Monthly generated graphs show percentage portions of most used web applications on the internet from various perspective of interest. This service is usefull for developers who need to know what web software (CMS, wiki,framework, message board, etc.) is most used. You can sort results...

Acid Tests is a test page from the Web Standards Project that checks how well a web browser follows certain web standards, especially relating to the Document Object Model and JavaScript. When successful, the latest Acid3 test displays a gradually increasing percentage counter with colored rectangles in the background. The percentage displayed is based on the number of sub-tests passed. In addition to these...

Site-Perf.com gives you an accurate, realistic, and helpful estimation of your site’s loading speed. This on-line tool fully emulates natural browser behaviour downloading your page with all the images, CSS, JS and other files, just like a regular user. An output are nice graphs representing your site’s performance. This free tool is for performance-conscious webmasters who want a realistic look...