some times people are found interested in knowing the technology  being used by any of the website such as information about its server,which operating system is being run on it.about its framework being used  etc,so so they always look for a website which can provide such information.well my friend here is a solution.builtwith.com  is such a website which provides above mentioned information and advertising, analytics,widgets,encoding last updated and all the information which one is interested in or not.so this may be one of the most important website for students.