Quantcast are a leading internet profiling service. Quantcast Corporation was founded in 2005 by a team of engineers and mathematicians committed to advancing the digital media industry. The Quantcast team has conducted extensive research and development to provide publishers with a free and easy way to report on the audience metrics that advertisers demand, including traffic, demographics and lifestyle assessments.
Their latest report shows that the typical visitor profile, of ArticleAlley’s loyal user base, are more likely to be:-
Female,
Aged 18-34
and have children
Based on the feedback we receive and our database of articles, this data would seem to be correct.

Their service is free of charge and can be found here