Litmus is a testing tool for website and email design. The tool tests the compatibility of website and email design for various browsers and email clients. The service has various plans starting with a free up to a multi user account. Directory Sources: Web Usability – Webmaster Tools
To test the usability of websites one may either charge a service or use various tools. Because online tools are a key element of both the FOLDEN directory and the blogs, up to now only webbased usability tools have been introduced here. An interesting alternate service is combining online facilities with tests by real persons. [...]
RobotReplay is another website usability testing service, which is similar to the lately introduced service of Clixpy. RobotReplay records the movements of users on a website and delivers a video to watch the occurences. By this the flow of the user sessions become visible to become aware of interesting parts of a website or navigational [...]
