Hi,
I have developed software for over 20 years, and have lots of experience with most web-related technologies, both server-side and client-side, including HTML, CSS, Javascript, jQuery, PHP, etc, as well as many CMS, e-commerce solutions, etc.
As discussed, I need to know more about your objective to provide the best solution.
Also, do you need a one-time run, or do you need this to run on a regular basis? If the latter, how often? And do you want to host it yourself or do you prefer a turnkey solution? If you want to host it yourself, do you have any requirements (OS, language, database...)?
This proposal is for a one-time analysis that will take the Alexa top million sites (global), will assign each to a country, and will attempt to detect the major servers, CMS, languages, e-commerce solutions, and send you a report (either a set of CSV files, or a database dump).
Let me know if can provide more details or have any questions.
Note that I am based in London, which should make communication easier, at the very least because we would be in nearly the same timezone.
Jacques.