How do I find the Alexa traffic rank of a site that uses a subdomain?

Question

I'd like to compare the traffic rank for some of the more popular sites in different categories. If I search Alexa for webmasters.stackexchange.com, for example, the only result is all of Stack Exchange. Similarly, if I try to search for answers.yahoo.com I get the results for all of Yahoo!. How do you separate out a subdomain when searching for the traffic rank of a site? I've tried manipulating the Alexa traffic stats URL with no luck.

Answer 1

I don't think you'll be able to get a rank for a subdomain, Alexa groups subdomains together, the only stats visible by subdomain is the percentage of traffic

from Stackexchange.com Site Info on Alexa:

So you can determine your own subdomain site rank based off % traffic