what are the default languages for the webs country code top level domain extensions?”
There isn’t a 1:1 correlation between country code and language. Many countries speak more than one language, and any web site is allowed to be in any language no matter where it’s from. And a great many web sites use a .com or other non-country TLD. You can get the name of the country from the TLD, and then use the World Factbook to determine what languages are spoken in that country. If you’re trying to do this programatically, both documents I just gave are available in XML and you can parse that into your software. I assume you’re trying to take a guess based on the TLD when you have no other options, but don’t forget that you have options like n-gram analysis as well, based on the actual text, wh